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Promo Code ROI Calculator

Most of the discount goes to people buying anyway.

Written and maintained by Mohit PatelLast checked August 4, 2026How we build these
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Incremental profit

$5,488

$15,219 on reported attribution

Revenue with the code$52,480
Discount given$7,872
Given to people buying anyway$4,723
Incremental profit$5,488

$4,723 of the discount went to customers who were buying regardless. Public codes leak to coupon sites and get used by everyone; codes tied to a specific audience leak less and are worth considerably more.

How the Promo Code ROI Calculator works

Public codes leak to coupon sites and get used by everyone, including customers who were already at checkout. Codes tied to a specific audience leak far less and are worth considerably more per pound of discount given.

Also known as: is my promo code profitable · discount code return · coupon campaign ROI

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

How incremental is a promo code?

It depends entirely on distribution. A code emailed to lapsed customers is largely incremental; a public code that reaches coupon aggregators mostly is not.

How do I stop codes leaking?

Unique single-use codes, codes tied to an account, and avoiding an obvious empty code field at checkout, that field prompts the search that starts the leakage.

Should I remove the code field?

If you rarely run codes, hiding it behind a link reduces the number of customers who leave to search for one and do not come back.

How do I measure incrementality?

Withhold the code from a matched group and compare conversion and revenue. It is the only way to separate the discount's effect from the traffic it happened to arrive with.

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