Printables & Generators

Make the thing rather than measure it: printable paper, puzzles, cards and templates you can send straight to a printer. All 271 are free and run in your browser. Nothing is uploaded and there is no watermark waiting behind a paywall.

Ring Size Calculator

Finger measurement to US, UK, EU and Japanese sizes.

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Ring Size Conversion Calculator

Convert a known ring size between countries.

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Shoe Size Conversion Calculator

US, UK, EU, Japan and centimetres, from one measurement.

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Men's Shoe Size Calculator

Men's sizing from a foot measurement in centimetres.

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Women's Shoe Size Calculator

Women's sizing from a foot measurement in centimetres.

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Kids' Shoe Size Calculator

Children's sizing, with growing room built in.

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Shoe Width Calculator

Width letter from the girth around the ball of the foot.

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Bra Size Calculator

Band and cup from two measurements, UK and US.

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Sister Size Calculator

Same cup volume, different band.

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Bra Size Conversion Calculator

UK, US, European and Australian bra sizes.

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Hat Size Calculator

Head circumference to US, UK and European hat sizes.

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Glove Size Calculator

Hand circumference to numeric and letter sizes.

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Belt Size Calculator

Belt length from your trouser waist.

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Fabric Yardage Calculator

How much to buy, from your pieces and the bolt width.

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Fabric Width Conversion Calculator

Yardage when the bolt is a different width.

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Fabric Shrinkage Calculator

Cut length that survives the first wash.

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GSM to oz/yd² Calculator

Fabric weight between metric and imperial.

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Fabric Weight Calculator

What a cut of fabric actually weighs.

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Seam Allowance Calculator

Cut size from finished size, and back again.

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Bias Binding Calculator

Continuous bias strip yield from a square.

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Half Square Triangle Calculator

Cut size for HST units, and how many squares.

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Fat Quarter Calculator

What a fat quarter actually yields.

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Quilt Backing Calculator

Backing yardage, with overhang and panel seams.

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Quilt Binding Calculator

Strips to bind a quilt, and the yardage they take.

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Circle Skirt Calculator

Waist radius and fabric for full, half and quarter circles.

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Gathering Ratio Calculator

Flat width for a gathered or ruffled finish.

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Pleat Calculator

Fabric for knife, box and inverted pleats.

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Elastic Length Calculator

How much shorter to cut elastic than the body.

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Curtain Fabric Calculator

Widths, drops and the cost of matching a pattern.

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Knitting Gauge Calculator

Stitches and rows per inch, from a swatch.

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Gauge Conversion Calculator

Rework a pattern's stitch counts for your gauge.

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Cast On Calculator

Stitches to cast on for a target width.

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Increase Evenly Calculator

Where to place increases across a row.

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Decrease Evenly Calculator

Where to place decreases across a row.

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Raglan Calculator

Increase rounds for a top-down raglan yoke.

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Sleeve Decrease Calculator

How often to decrease down a tapered sleeve.

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Yarn Yardage From Weight Calculator

How much is left in a partial ball.

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Yarn Skein Calculator

Balls to buy for a project's yardage.

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Yarn Substitution Calculator

Match total length, not ball count.

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Yarn Weight Conversion Calculator

Identify a yarn's weight class from wraps per inch.

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Knitting Needle Conversion Calculator

US, UK and metric needle sizes.

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Crochet Hook Conversion Calculator

US letter sizes to metric and back.

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Crochet Chain Calculator

Starting chain for a target width.

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Granny Square Calculator

Squares needed for a blanket, and the finished size.

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Karat Conversion Calculator

Karat, fineness and percentage gold.

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Gold Value Calculator

Melt value from weight, purity and spot.

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Silver Value Calculator

Sterling and fine silver at current spot.

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Troy Ounce Conversion Calculator

Troy against ordinary ounces, grams and grains.

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Pennyweight Conversion Calculator

Pennyweights, grams and troy ounces.

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Casting Weight Calculator

Metal needed from a wax model's weight.

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Diamond Carat to MM Calculator

Carat weight against actual spread.

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Gemstone Weight Calculator

Estimate carat weight from measurements.

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Diamond Price Calculator

Total price from carat and price per carat.

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Ring Resize Cost Calculator

What resizing should cost, and the metal added.

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Necklace Chain Length Calculator

Where each standard length sits.

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Necklace Bead Count Calculator

Beads to fill a length, with spacers and clasp.

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Bracelet Size Calculator

Bracelet length from your wrist, with fit allowance.

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Wire Gauge Calculator

AWG to millimetres, and what each gauge suits.

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Jewelry Pricing Calculator

Materials, labour, overhead, wholesale and retail.

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Watch Size Calculator

Case diameter and lug-to-lug for your wrist.

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Cost Per Wear Calculator

What a garment actually costs each time you wear it.

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Resale Value Calculator

What a garment is worth secondhand.

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Thrift Flip Profit Calculator

Profit on a resale after fees, postage and supplies.

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Reseller Hourly Rate Calculator

What reselling actually pays per hour.

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Consignment Split Calculator

Payout after commission, against an outright offer.

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Clothing Rental Income Calculator

What renting out a garment earns, net of cleaning.

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Rental Break-Even Calculator

Rentals needed to recover what a garment cost.

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Capsule Wardrobe Calculator

Outfits, cost per outfit and cost per wear.

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Outfit Combination Calculator

How many outfits your separates actually make.

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Clothing Donation Value Calculator

Fair market value for donated clothing.

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Pattern Grading Calculator

How far a pattern edge moves per size.

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Pattern Scaling Calculator

Fix a print-at-home pattern that printed wrong.

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Dart Calculator

Dart intake from a bust and waist difference.

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Full Bust Adjustment Calculator

FBA or SBA amount, and which size to start from.

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Sleeve Cap Ease Calculator

Whether a sleeve will ease into its armhole.

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Bodice Block Calculator

A basic block from three measurements.

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A-Line Skirt Calculator

Hem sweep and flare angle from the waist.

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Buttonhole Spacing Calculator

Even button placement down a placket.

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Buttonhole Size Calculator

Buttonhole length from the button itself.

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Zipper Length Calculator

The stocked zip size for your opening.

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Sewing Needle Size Calculator

Machine needle size from fabric weight.

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Thread Consumption Calculator

Thread is several times the seam length.

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Sewing Pricing Calculator

What to charge for something you made.

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Square Footage Calculator

Rectangles, circles and triangles, added up.

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Gravel Calculator

Cubic yards and tons, at the density you were quoted.

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Mulch Calculator

Bags or bulk, and the depth that decides which is cheaper.

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Topsoil Calculator

Volume for a bed or a lawn, with settling allowed for.

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Paint Calculator

Coats and openings included, at your product's real coverage.

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Roofing Calculator

The footprint is not the roof — pitch adds to it.

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Drywall Calculator

Sheets, plus the compound and tape that go with them.

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Tile Calculator

Tiles and boxes, with the waste the pattern actually needs.

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Board Foot Calculator

The lumber trade's volume unit, from nominal dimensions.

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Stair Calculator

Equal risers, derived from the count rather than guessed.

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Asphalt Calculator

Tonnage for a driveway, at the mix density you were quoted.

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Electricity Cost Calculator

What a load costs per day, month and year at your tariff.

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kWh Calculator

Watts and hours into kilowatt-hours, and into BTU.

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Watts to Amps Calculator

Both directions, with the power factor that trips breakers.

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Ohm's Law Calculator

Any two of volts, amps, ohms and watts give the other two.

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Voltage Drop Calculator

Over a long run, with the round trip counted.

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Wire Size Calculator

The smallest gauge that holds the drop — not an ampacity answer.

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Solar Panel Calculator

Array size from your usage, at your peak sun hours.

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BTU Calculator

Between BTU, kWh and tons of cooling, exactly.

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Air Conditioner Size Calculator

BTU and tons for a room, with the usual adjustments.

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EV Charging Cost Calculator

What the wall meter reads, not just what the battery gains.

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Generator Size Calculator

Running load plus one surge — surges are not additive.

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Sod Calculator

Rolls and pallets, at your supplier's actual sizes.

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Brick Calculator

Derived from your brick size, not the seven-per-foot rule.

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Fence Calculator

Posts, rails, pickets and concrete — with the extra post.

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Flooring Calculator

Boxes, because you cannot buy part of one.

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French Drain Calculator

Stone less the pipe, plus the fall that stops it silting.

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Firewood Cord Calculator

Cords and face cords, which are not the same thing.

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Raised Bed Soil Calculator

Volume and the mix, because straight topsoil sets like a brick.

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Retaining Wall Calculator

Blocks, plus the base and drainage stone people forget.

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IRCTC Booking Date Calculator

The counter opens sixty days out, and the day it opens is the day it sells.

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SEO Traffic Value Calculator

What the clicks would cost to buy is not what they earn.

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Keyword Difficulty Calculator

A transparent score you can argue with.

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Backlink Value Calculator

Referral traffic is real value that link discussions ignore.

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Crawl Budget Calculator

Below ten thousand pages it is not your problem.

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Sprint Velocity Calculator

A range is the honest form of a software estimate.

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Team Capacity Calculator

Contracted hours are not available hours.

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Technical Debt Calculator

Priced as interest, the argument becomes arithmetic.

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Organic Traffic Forecast Calculator

The gain is back-loaded, and forecasts rarely say so.

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Internal Link Equity Calculator

Depth costs geometrically, not linearly.

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Indexation Rate Calculator

Not crawled and crawled-then-declined are different problems.

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Uptime SLA Calculator

Each nine divides the allowance by ten.

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Error Budget Calculator

An unspent budget means you are shipping too cautiously.

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MTTR and Availability Calculator

Detection is usually the biggest share and the cheapest to fix.

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Little's Law Calculator

Halve the work in progress and the lead time halves with it.

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Three-Point Estimate Calculator

Commit to the 85th percentile, not the expected value.

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Bug Cost Calculator

The 1:10:100 figures are contested, and the direction is not.

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Deployment Frequency Calculator

The four metrics do not trade off — batch size explains them.

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Flight Time Calculator

Taxi and climb are a fixed cost short flights cannot escape.

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Trip Cost Split Calculator

At most one fewer transfer than there are people.

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Ski Length Calculator

Weight matters as much as height, and charts ignore it.

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Bike Size Calculator

Saddle height matters more than frame size.

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Bike Gear Ratio Calculator

Gear inches is a penny-farthing survival.

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Round Robin Calculator

Fixtures grow with the square of the field.

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Tournament Bracket Calculator

Always exactly one fewer match than entrants.

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Length Converter

An inch has been exactly 25.4 mm since 1959.

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Weight Converter

A US ton and an imperial ton differ by 12%.

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Area Converter

An acre was a day's ploughing, and it stuck.

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Speed Converter

A knot is one nautical mile an hour, exactly.

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Pressure Converter

Tyre pressure is gauge pressure, not absolute.

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Energy Converter

A food calorie is a thousand physics calories.

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Power Converter

There are two horsepowers and they differ by 1.4%.

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Data Storage Converter

This is where the missing disk space went.

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Angle Converter

360 degrees is Babylonian; radians are natural.

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Torque Converter

A newton metre and a joule are not the same thing.

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Force Converter

Kilogram-force is a force, not a mass.

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Frequency Converter

3,000 rpm and 50 Hz are the same frequency.

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Density Converter

Water is 1 g/cm³ by design, not by coincidence.

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Temperature Converter

Celsius and Fahrenheit cross at −40.

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Fuel Economy Converter

US and imperial mpg differ by 20%.

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Carpet Calculator

Roll width decides the waste, not the area.

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Floor Tile Calculator

Buy a spare box — dye lots do not match later.

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Plywood Sheet Calculator

Sheets have to break on a support, not where the area ends.

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Countertop Calculator

Where the join falls matters more than the total length.

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Cabinet Calculator

Corners eat more frontage than their width.

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Concrete Slab Calculator

Dry materials occupy 54% more than the wet mix.

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Sand Calculator

Wet sand weighs 20% more than dry for the same volume.

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Driveway Gravel Calculator

The sub-base carries the load, not the gravel.

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Paver Calculator

Bedding sand is screeded, never used to fix levels.

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Grout Calculator

Small tiles with wide joints use several times more.

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Board Feet Calculator

Board feet use nominal size, not the dressed size.

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Stud Spacing Calculator

Twelve gaps need thirteen studs.

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Joist Spacing Calculator

Depth beats width — stiffness goes with the cube.

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Fence Post Calculator

Post depth is a third of the height above ground.

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Rebar Spacing Calculator

Bars go both ways. This is the count for one axis.

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Baseboard Calculator

Corners consume length the tape measure does not show.

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Trim and Molding Calculator

Pattern matching adds waste beyond the percentage.

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Deck Board Calculator

The gap between boards is not optional.

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Rafter Length Calculator

The run is half the span less half the ridge.

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Stair Stringer Calculator

Every riser equal, or it becomes a trip hazard.

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Insulation Calculator

The first hundred millimetres does most of the work.

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HVAC BTU Calculator

Oversized is worse than slightly undersized.

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Furnace Size Calculator

The safe margin covers warm-up, not a guess.

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Wood Stove Size Calculator

A stove run damped down is a chimney fire waiting.

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Dehumidifier Size Calculator

The rating collapses in a cold room.

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Attic Ventilation Calculator

Intake must exceed exhaust, not the reverse.

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Ceiling Fan Size Calculator

A fan cools people, not rooms.

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Baking Conversion Calculator

A cup of honey outweighs a cup of flour nearly three to one.

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Oven Temperature Converter

Your oven is probably not the temperature it claims.

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Cooking Time Calculator

Twice the weight is nowhere near twice the time.

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Turkey Cooking Time Calculator

The breast and the thigh finish at different times.

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Sourdough Hydration Calculator

The starter raises true hydration above the stated figure.

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Tea Steeping Calculator

Boiling water is what ruins green tea.

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Cocktail Dilution Calculator

Dilution is an ingredient, not a side effect.

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Party Food Calculator

A four-hour party is not twice a two-hour one.

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Serving Size Calculator

Meat shrinks, rice swells — buy by the raw weight.

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Volume Converter

An imperial pint is 20% larger than a US one.

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Pool Volume Calculator

Measure at the deep end and you overdose everything.

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Rain Barrel Calculator

One millimetre on one square metre is one litre.

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Well Water Calculator

Recovery rate is the supply — the casing is just a buffer.

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Water Heater Size Calculator

First-hour rating beats tank size.

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Septic Tank Size Calculator

Sized on the greater of flow and bedrooms.

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Sprinkler Coverage Calculator

Space heads at the radius, not the diameter.

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Plant Watering Calculator

Water thoroughly and less often, not lightly and daily.

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Fish Stocking Calculator

Oxygen enters at the surface, not through the volume.

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Grocery Unit Price Calculator

The bigger pack is not always cheaper per unit.

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Meal Cost Calculator

Portion cost, not whole-pack cost.

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Tip and Split Calculator

Pre-tax or post-tax changes the tip.

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Timesheet Calculator

An out-time before the in-time is an overnight shift.

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Payroll Hours Calculator

37 minutes is 0.6167 hours, never 0.37.

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Working Hours Calculator

Totals a week of shifts, breaks deducted.

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Graph Paper Generator

Squared paper at any spacing, printed to size.

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Dot Grid Paper Generator

Bullet journal dot grid at your spacing.

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Isometric Graph Paper Generator

Triangular 60-degree grid for 3D sketching.

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Hexagonal Graph Paper Generator

Hex grid for chemistry, maps and board games.

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Lined Paper Generator

Ruled paper at exactly the spacing you need.

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Cornell Notes Template Generator

Printable Cornell layout, cue column and summary.

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Printable Ruler

Prints to exact size, with a calibration step for printers that lie.

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Word Search Generator

Your words, hidden in a grid, with an answer key.

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Bingo Card Generator

Unique cards from your own list of squares.

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Sudoku Generator

Four difficulties, one solution each, answer key included.

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Printable Calendar Generator

Any year, any month, with the holidays worked out rather than looked up.

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Password Generator

Cryptographically random, generated in your browser, never sent anywhere.

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Random Number Generator

Pick a range, get numbers nobody can predict.

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UUID Generator

Version 4 UUIDs, correct to RFC 9562, as many as you need.

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Word Counter

Words, characters and reading time, counted by Unicode rules rather than spaces.

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Case Converter

Twelve cases, with title case that follows a style guide rather than capitalising everything.

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Colour Converter

HEX, RGB, HSL and OKLCH, with a contrast check and a ramp that holds its hue.

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Lorem Ipsum Generator

Placeholder text with the rhythm of real prose, and the same passage every reload.

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Random Name Picker

Draw winners, shuffle an order, or split a list into teams.

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JSON Formatter

Format, minify and validate, with errors located to the exact line and column.

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Base64 Encoder and Decoder

Handles emoji and every other script, which most converters cannot.

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Hash Generator

MD5, SHA-1 and SHA-2 for text or a file, with a checksum check built in.

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Diff Checker

Finds the shortest set of edits, not just the lines that moved.

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Coin Flip

Genuinely fair, which is more than a real coin manages.

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Dice Roller

Takes real dice notation, including keep-highest for character rolls.

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JWT Decoder

Reads the claims, explains them, and says plainly what decoding does not prove.

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Unit Converter

Ten dimensions, exact factors, and a straight answer about what a cup is.

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Grade Calculator

Your grade so far, and what you need on the final to hit your target.

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Hours Calculator

Hours between two times, and the week that totals from them.

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Roman Numeral Converter

Both directions, with the historical spellings read rather than refused.

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Concrete Calculator

Slabs, footings, columns and steps, in yards, feet, metres and bags.

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Car Loan Calculator

The payment, and where the financed amount actually came from.

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Salary Calculator

Hourly to annual and back, using 52.1775 weeks rather than 52.

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Standard Deviation Calculator

Sample or population, said out loud rather than picked for you.

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Quadratic Equation Solver

Roots, discriminant and vertex, with the working shown line by line.

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Depreciation Calculator

Five book methods and MACRS, with the schedule year by year.

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Time Value of Money Calculator

Present value, future value, NPV and IRR, which are one idea rather than four.

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Amortization Schedule Calculator

Every payment, and what paying a little extra does to the total.

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APR Calculator

The quoted rate sets the payment. The APR is what it costs.

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Invoice Generator

A proper invoice, made in your browser and sent nowhere.

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Overtime Pay Calculator

Including the part employers get wrong: what a bonus does to the overtime rate.

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Cost of Goods Sold Calculator

The formula, and the FIFO, LIFO and weighted average behind it.

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Financial Ratio Calculator

Twenty ratios from one set of figures, each with what it actually means.

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Color Picker

Pick a colour, get every format, and five palettes that hold their hue.

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Contrast Checker

WCAG pass or fail, and the nearest colour that fixes it.

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Regex Tester

Test a pattern, and read what it actually says in English.

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Image Resizer

Resize and compress a photo without it ever leaving your computer.

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Subnet Calculator

Including the /31 and /32 that most calculators get wrong.

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Cron Expression Generator

What it means in English, and the next eight times it will run.

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Unix Timestamp Converter

Both directions, with the unit worked out for you.

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CSV to JSON Converter

Both directions, with quoting handled the way the spec says.

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Chmod Calculator

Including the fourth digit that most calculators leave out.

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Number Base Converter

Binary, octal, decimal and hex, with nothing lost on a 64-bit value.

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CSS Gradient Generator

Linear, radial and conic, without the grey band through the middle.

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URL Encoder and Decoder

Three encodings that are not the same, and a URL taken apart.

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HTTP Status Codes

All 63 of them, and which one people reach for by mistake.

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Number to Words Converter

Both numbering systems, both directions, and a cheque line that reads right.

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Lakh Crore Converter

A million is ten lakh, and a billion is a hundred crore.

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Math Worksheet Generator

Arithmetic practice sheets with an answer key.

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Multiplication Table Generator

Times table chart, filled or blank to complete.

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Handwriting Practice Generator

Four-line practice sheets with traceable text.

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Maze Generator

Printable mazes at any size, with the solution.

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Weekly Planner Generator

Printable week, timed schedule or day blocks.

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Habit Tracker Generator

Monthly grid, real day counts, weekends shaded.

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QR Code Generator

Static QR codes built in your browser, never uploaded.

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Barcode Generator

EAN, UPC, Code 128 and ITF, printed at true size.

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Pharma API QR Code Generator

All eleven particulars required by G.S.R. 20(E), free.

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About printables & generators calculations

Everything in this category makes a file instead of a figure. You set the options, the page draws the result in front of you, and you either send it to a printer or download it. Nothing is uploaded, nothing is queued behind an email address, and there is no watermark waiting on the other side of a paywall.

The generators draw in vector rather than pixels, which matters more than it sounds. A 5 mm grid printed from an SVG really measures 5 mm on the paper, so engineering drawings scale, bullet journal spreads line up across pages, and a bingo card cut from the sheet is the size you asked for. A PNG of the same grid would be at the mercy of your printer's DPI.

Saving as PDF happens through your browser's own print dialogue, which is why there is no upload step. Choose your printer or 'Save as PDF', set scale to 100%, and the file is identical to what the preview showed. The one setting worth checking is that scaling, because 'fit to page' quietly shrinks everything by a few percent and takes the measurements with it.

What are you trying to print?

Squared or plotting paper for maths and engineering

Graph paper covers the ordinary 5 mm and quarter-inch cases. For technical sketching that has to read as three-dimensional, isometric paper gives you the 60-degree ruling, and hexagonal paper handles organic chemistry and tabletop maps.

Something for a notebook or bullet journal

Dot grid is the one most people mean: it guides your hand without boxing in the page, and 5 mm is the spacing the popular notebooks use. Cornell paper is the choice for lecture notes, since the cue column and summary band are what make the method work.

A puzzle or an activity sheet

The word search generator takes your own list of words, hides them in a grid at whatever difficulty you set, and prints the answer key on a second page. Bingo cards come out unique per sheet, which is the whole point when a room full of people is playing.

Handwriting or lined practice paper

Lined paper lets you set the ruling in millimetres rather than picking from three presets, which is what you need when a school specifies 8 mm or a language class wants wide-spaced lines for a child learning letterforms.