Calculate gross profit, margin percentage, and markup from cost and revenue.
Everything runs in your browser — nothing is uploaded or stored on any server.
Type what it costs you to produce or acquire one unit.
Type the price you charge customers for that unit.
Instantly view your gross margin percentage, markup, and profit per unit.
Enter how many units you've sold to see your total profit, then download the summary.
Built for real work — no subscriptions, no watermarks, no surprises.
No servers to wait on. Everything processes locally the moment you type.
Your data never leaves your device. Nothing is collected or transmitted.
Open the page and start using it. No account, no email, no onboarding.
The file you download is polished and ready to send — no extra formatting needed.
Desktop, tablet, or phone — the tool adapts to any screen with no app to install.
No trials, no paywalls, no hidden tiers. Free to use without limits, always.