Calculating your profit margin is straightforward once you know the Profit Margin formula and what each input means. This guide explains the method in plain language, walks through a manual calculation, and gives worked examples you can follow — then you can do it instantly with the Profit Margin Calculator.
What is Profit Margin?
The Profit Margin calculation tells you your profit margin from a few simple inputs. The figure you are solving for here is the profit margin, expressed in percent.
The Profit Margin formula
This calculation combines several inputs through a multi-step method rather than a single one-line formula. Enter the values below and the calculator resolves each step in order. The inputs it needs are:
- Cost price — a money amount. Example: ₹800.
- Selling price — a money amount. Example: ₹1,000.
How to calculate it step by step
- Write down the cost price (for example, ₹800).
- Write down the selling price (for example, ₹1,000).
- Apply the formula above to get your profit margin.
- Double-check the result with the Profit Margin Calculator.
Worked examples
Example 1
| Input / Output | Value |
|---|---|
| Cost price | ₹800 |
| Selling price | ₹1,000 |
| Profit margin | 20.00% |
| Profit | ₹200.00 |
| Markup | 25.00% |
With cost price of ₹800 and selling price of ₹1,000, the profit margin works out to 20.00%.
Example 2
With cost price of ₹1,600 and selling price of ₹1,000, the profit margin works out to -60.00%.
| Result | Value |
|---|---|
| Profit margin | -60.00% |
| Profit | -₹600.00 |
| Markup | -37.50% |
Example 3
With cost price of ₹400 and selling price of ₹1,000, the profit margin works out to 60.00%.
| Result | Value |
|---|---|
| Profit margin | 60.00% |
| Profit | ₹600.00 |
| Markup | 150.00% |
Tips for an accurate result
- Keep your units consistent — mixing, say, months with years or grams with kilograms is the most common source of error.
- Round only at the very end. Rounding inputs early can shift the final answer noticeably.
- Re-run the numbers whenever an input changes, rather than estimating from an old result.
Prefer not to do the maths by hand? — the Profit Margin Calculator does it instantly, for free, with the formula and a worked example built in.
Related calculators
Continue exploring business calculators with these tools: Discount Calculator, Price Elasticity of Demand Calculator, Gross Profit Calculator, ROI Calculator, Days Sales Outstanding (DSO) Calculator.