Common retail markups
Keystone (doubling cost) is traditional in apparel; restaurants often run 200–300% on food; electronics may carry thin 10–20% margins with volume doing the work.
Markup Calculator
Set selling prices from cost and target markup, with resulting margin revealed.
Enter your details and press Calculate to see results.
Formula
price = cost × (1 + markup ÷ 100)
Example
$25 at 100% markup (keystone) sells for $50 — which is a 50% margin, not 100%.
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Frequently asked questions
How do I convert markup to margin?
margin = markup ÷ (1 + markup). A 25% markup is a 20% margin; 100% markup is 50% margin.
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