Financial Calculators
Profit Margin Calculator
Use this profit margin calculator entirely in your browser.
Profit: $40.00
Visual summary
Revenue and profit comparison
Compare cost, profit, and total revenue.
Calculations happen locally in your browser.
How to use this calculator
- Enter the labelled values and review the live result.
- Review the live result and use Copy result when you need to share it.
How the calculation works
Margin is revenue minus cost, divided by revenue.
Formula
Margin is revenue minus cost, divided by revenue.
Step-by-step calculation
- Enter the labelled values and review the live result.
- Margin is revenue minus cost, divided by revenue.
- Check the displayed result, then copy it if needed.
Worked example
A $60 cost and $100 revenue gives $40 profit and 40% margin.
Methodology and review
Who this is for
Sellers comparing cost, revenue, margin, and markup.
Inputs and units
- Cost
- Revenue
- Currency
Method
Profit is revenue minus cost; margin is profit divided by revenue, while markup is profit divided by cost.
Worked example
A cost of 60 and revenue of 100 gives profit 40, margin 40%, and markup 66.67%.
Assumptions
- Cost and revenue use the same currency and accounting period.
- The entered cost includes every cost the user intends to measure.
Common mistakes
- Using markup when margin is required
- Leaving costs outside the selected period
Limitations
- Tax, cash flow, overhead allocation, returns, and accounting policy are not inferred.
- This is an arithmetic aid, not financial advice.
How this tool was checked
Tests verify profit, margin, markup, zero boundaries, and currency-independent formatting.
Related tools
Calculation review: 21 August 2026. Published by Goldwave Dynamics Limited. This is an internal product review, not an independent certification.
Risk guidance
Frequently asked questions
Does this tool send my inputs anywhere?
No. The interactive calculation runs in your browser and this site does not submit tool inputs to a backend.
How should I use the result?
Check that the entered units and values match your situation, especially around dates, breaks, and rounding.