Profit Margin Calculator
Calculate profit margin online for free from revenue and cost — see your profit amount and margin percentage. Runs entirely in your browser — nothing you enter is uploaded.
How to use profit margin calculator
- Enter revenue and cost
What you sold for, and what it cost you.
- Calculate
See your profit and profit margin percentage.
Features
Every rate and percentage is an input you can change, not a hidden constant.
Calculates locally with no sign-up or server request.
Your business and salary details are never uploaded.
Supported formats and limitations
Text and structured input supported by this tool.
Use cases include personal workflows, content preparation, and quick checks. Review output before relying on it for legal, financial, accessibility, or production decisions.
Frequently asked questions
How is profit margin calculated?
Margin = (Revenue − Cost) ÷ Revenue × 100 — profit expressed as a percentage of what you sold for, not of what it cost you (that's markup — see the Markup Calculator).
What's a 'good' profit margin?
It varies enormously by industry — retail and grocery often run on thin single-digit margins, while software and services can run much higher. Compare against your own industry, not a generic benchmark.