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Profit Margin Calculator

Compare profit margin and markup.

  1. 01 · Set inputs
  2. 02 · Calculate
  3. 03 · Review
  4. 04 · Export CSV
Work in your browser

How to use Profit Margin Calculator

Enter cost and selling price, then compare gross profit, margin and markup. Export CSV if needed.

Example

Cost 80 and selling price 100 gives profit 20, margin 20% and markup 25%.

Limits and output

Margin uses selling price as denominator; markup uses cost. Zero-cost markup is undefined. No overhead, tax or net-profit accounting.

Good to know

RedTools is an early version of an everyday utility workspace. Image, text, calculation, and developer inputs are processed in your browser.

Your favorites, recently used tool IDs, and theme choice are stored on this device. Tool inputs are not automatically saved. Invoice drafts are saved on this device only when you choose Save draft locally. Hosting can receive ordinary page requests; this app includes no analytics.

Images to PDF, merge and split work locally. PDF compression is upcoming.

Icons: Solar by 480 Design · CC BY 4.0. Components: Be UI and shadcn/ui.