Calculators
Profit Margin Calculator
Calculate profit, profit margin percentage, and markup percentage from cost and revenue.
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Version 1.0.0 · Last reviewed
Tool
Result
Live output from your inputs
Enter values and calculate to see results.
How it worksShow guideHide guide
Introduction
Measure how much of each sale becomes profit. This calculator shows profit, margin %, and markup % from cost and revenue.
Formula
Profit margin is profit as a share of revenue. Markup is profit as a share of cost. They are related but not the same.
- R — Revenue (selling price)
- C — Cost
Step-by-step
- Enter the cost (COGS or total cost).
- Enter revenue or selling price.
- Profit = revenue − cost; margin = profit ÷ revenue × 100.
Worked example
Cost $40 and revenue $50 yields $10 profit, 20% margin, and 25% markup.
Use cases
- Price a product against target margin
- Compare margin vs markup on a quote
- Check unit economics quickly
Frequently asked questions
Margin vs markup — which should I use?
Margin is relative to selling price; markup is relative to cost. Retail often quotes markup; finance reports usually quote margin.
Can margin be negative?
Yes — if cost exceeds revenue, you are selling at a loss.
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