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Business calculators · free

Profit Margin Calculator

Enter cost and selling price; get profit, margin and markup — the three numbers every pricing decision needs.

  • Instant results
  • No signup
  • Remembers your inputs
  • Rates checked Oct 2026

How the profit margin calculator works

Profit = Selling − Cost. Margin = Profit ÷ Selling × 100. Markup = Profit ÷ Cost × 100.

How to use it

  1. Move the sliders or type exact figures — results update as you go.
  2. Read the highlighted result first, then the breakdown and chart.
  3. Open the year-by-year table to plan ahead, or copy the result into your notes.

Frequently asked questions

Margin vs markup?

Margin is profit as a share of the selling price; markup is profit as a share of cost. A 50% markup equals a 33.3% margin.

Results are estimates for planning, not financial, tax or investment advice. Rates and rules change — confirm with your bank, the scheme's official notice or a CA. Last reviewed 13 October 2026.