# Profit Margin & Markup Calculator

> Calculate margin, markup and profit from cost and selling price — they are not the same thing.

To calculate profit margin, enter your cost and selling price. Margin expresses profit as a percentage of the selling price, while markup expresses it as a percentage of cost. A 50% markup is only a 33% margin, which is why the distinction matters when pricing.

**URL:** https://convertto.tech/t/profit-margin-calculator
**Category:** Calculators (https://convertto.tech/c/calculators)
**Privacy:** Runs entirely in the browser; no upload
**Cost:** Free, no sign-up
**Last updated:** 2026-08-01

## Key facts

- **Privacy:** Runs entirely in your browser — nothing is uploaded
- **Cost:** Free, unlimited, no sign-up

## How to use

1. Set the cost.
2. Set the selling price.
3. The result appears immediately — copy or download it.

## FAQ

### What is the difference between margin and markup?

Both measure the same profit but against different bases. Buy at 40 and sell at 100: the profit of 60 is a 60% margin (60/100) but a 150% markup (60/40). Quoting one when you mean the other is a classic pricing error.

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