Retail Space Productivity Calculator
Sales per square metre, and rent against them.
Calculate sales per square metre or foot, weekly productivity and the rent-to-sales ratio for a retail space.
Sales per m² a year
$2,500
$48 a week · rent 12.0% of sales
Use selling space for productivity and total area for rent — a large stockroom then shows up correctly as a rent problem rather than a sales one. Under 10 to 15% rent to sales is the usual apparel target.
How the Retail Space Productivity Calculator works
Sales per square metre is the standard measure of whether a shop is earning its space, and rent to sales is the check on whether the space is affordable. The two together answer a question a profit figure alone cannot: whether the problem is the trading or the lease.
Also known as: sales per square foot calculator · rent to sales ratio calculator
Two numbers that answer different questions
Sales per square metre asks whether the space is being used well. Rent to sales asks whether the space is affordable. A shop can be strong on one and failing on the other, and the responses are completely different.
Weak sales per square metre with acceptable rent is a trading problem: layout, density, adjacencies, staffing. Acceptable sales per square metre with high rent to sales is a lease problem, and no amount of merchandising fixes it.
Convention is to measure productivity on selling space only, since that is the space generating sales, but to assess rent against total area, because you pay for all of it. A large stockroom then shows up correctly as a rent problem.
A worked example
Annual sales of 500,000 in 200 square metres is 2,500 per square metre, or about 48 a week. At a rent of 300 per square metre, the annual rent is 60,000 — 12% of sales, which is within the usual apparel range.
Hold the sales flat and move to a 300 square metre unit at the same rate and rent becomes 90,000, or 18% of sales, while productivity falls to 1,667. The trading did not change; the lease did.
Where the answer misleads
Sales per square metre is not comparable across formats. A small specialist boutique and a large-format store have structurally different figures, and benchmarking against a published average for the sector says very little. The useful comparison is your own trend, and your own stores against each other.
It also ignores what the space is for. Space given to fitting rooms, seating or a counter does not generate sales directly but may raise conversion substantially, and cutting it to improve the metric can lower total sales.
Finally, online orders fulfilled from store distort it in both directions. Attributing them to the store flatters productivity; ignoring them understates what the space contributes.
Not financial advice. Marketplace fees change, and they vary by country, plan and seller status. Every rate here is an editable default, not a quoted price, check the platform's current fee schedule before you price a product against it. This is not tax or business advice.
Frequently asked questions
What is a good sales per square metre?
It varies enormously by format and location — a small specialist boutique and a large format store are not comparable. What matters is the trend in your own figure and how it compares to the rent you pay for the space.
What rent to sales ratio is sustainable?
Apparel retail commonly targets under 10 to 15% of sales, though prime locations run higher and are justified by footfall. Above about 20% the lease is usually the binding constraint on profitability rather than the trading.
Should stockroom space count?
Convention is to use selling space only for productivity, since that is the space generating sales. Include total area when assessing rent, because you pay for all of it — which is why a large stockroom shows up as a rent problem, not a sales one.
How do I improve it?
Either raise sales in the same space — density, adjacencies, better sightlines — or reduce the space. Reducing space is the option retailers reach for last and often should reach for sooner.