Skip to content
ConvertMyStuff
Tool

Profit Margin Calculator

Calculate profit margin from cost and selling price.

Finance / Percentage Calculators

What this tool does

Estimate gross margin and profit dollars from cost and selling price.

How to use

  1. Enter product cost.
  2. Enter selling price.
  3. View margin percentage and profit dollars.

Formula

margin % = (price − cost) ÷ price × 100

Examples

Cost $40, price $100

Input: cost=40, price=100

Output: 60% margin, $60 profit

(100−40)÷100 = 60%.

Common use cases

  • Price products for target margin
  • Evaluate supplier quotes
  • Compare SKU profitability

FAQ

Is this gross or net margin?

Gross margin based on cost and price only; excludes overhead.

What if price equals cost?

Margin is 0% with zero profit.

Can selling price be below cost?

Yes, but margin will be negative indicating a loss.

Last reviewed: 2026-05-23