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Gross Margin Calculator — Profit, Margin, Markup

Free gross margin calculator. Enter revenue and COGS — see gross profit, gross margin %, and the equivalent markup %.

Gross Margin Calculator

$
$

Gross profit

$40,000

Gross margin

40.00%

Equivalent markup

66.67%

Gross margin = (revenue − COGS) ÷ revenue. Don't confuse it with markup, which is profit ÷ COGS — markup is always higher than margin.

About this tool

Margin vs markup — they are not the same

Margin = profit / revenue. Markup = profit / cost. A 40% markup is a ~28.6% margin. Confusing the two is the most common pricing mistake in small businesses.

How to use the Gross Margin Calculator

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Gross Margin Calculator above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Gross Margin Calculator.

Is the Gross Margin Calculator free to use?

Yes. The Gross Margin Calculatoron 7BusyBoss is completely free — no signup, no paywall, no usage cap.

Do I need to sign up to use the Gross Margin Calculator?

No. The Gross Margin Calculatorworks instantly in your browser — no account needed. Signing in with Google is optional and only unlocks features like saving favorites and higher AI build limits.

Does the Gross Margin Calculator work on mobile?

Yes. Every tool on 7BusyBoss is mobile-responsive and works in any modern browser — Chrome, Safari, Firefox, Edge — on phones, tablets and desktops.

Is my data safe when I use the Gross Margin Calculator?

Yes. The Gross Margin Calculatorruns entirely in your browser — your inputs never leave your device unless the tool explicitly fetches public data (e.g. currency rates). We don't store the values you type.

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