Profit Margin Calculator

What this calculator does

Whether you're new to finance numbers or run them every week, the profit margin calculator gives the same clean result — with a live chart and a copyable summary you can drop into any doc.

Profit margin shows what percentage of revenue is profit after costs.

Runs entirely in your browser — no data leaves your device.

Formula and worked example are shown in plain language below.

Purpose-built for a specific decision — not a generic template.

Includes a copy-ready summary and printable PDF view.

How to use the Profit Margin Calculator

Start by entering **Revenue** — this anchors every downstream number in the profit margin calculator.
Set **Cost**; the result and chart recalculate the moment you finish typing.
Review the breakdown card for the components that make up the headline number.
Use Copy, Share, or Print to save the exact scenario — or star it to keep it in your favorites.

The formula

Margin = (Revenue − Cost) / Revenue × 100%

Worked example

$100k revenue, $60k cost = 40% margin.

Common mistakes

Confusing markup with margin
Ignoring operating expenses
Not tracking over time

When to use it

Use for pricing, product mix, and comparing performance.

Pro tips for the Profit Margin Calculator

Bookmark this page: the URL and inputs are all you need to reproduce the exact result later.
Save your favorite scenarios by clicking the star icon — they're stored locally, no account needed.
For big decisions, run best-case, expected, and worst-case scenarios and compare the breakdowns side by side.

Frequently asked questions

›Gross vs net margin?

Gross = revenue − COGS. Net = after all expenses.

›Good margin?

Varies — SaaS 70%+, retail 2–5%.

›Margin vs markup?

Markup is based on cost; margin on revenue.

›Improve margins?

Raise prices, cut COGS, or shift mix.

›Operating margin?

Operating income / revenue.

›Can I use this on mobile?

Yes — the profit margin calculator is fully responsive, and results, charts, and the share button all work on phones and tablets.

›Is the Profit Margin Calculator free to use?

Yes. Every calculator on CalcPilot, including the Profit Margin Calculator, is free with no sign-up, no watermark, and no export limit.

Embed this calculator

Drop the Profit Margin Calculator into your own site or blog post. Free to use — a small “Powered by CalcPilot” link is appreciated.

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