Profit Margin Calculator

See your margin between cost and price.

Inputs
Results
Profit
$40.00
Margin
40%
Markup
66.67%
Formula
Margin = (Price − Cost) ÷ Price × 100.
Example

$60 cost, $100 price = 40% margin.

Why teams use the Profit Margin Calculator

The Profit Margin Calculator answers a common founder or manager question about profit margin in seconds — no spreadsheet, no formula lookup. It's designed for quick decisions and back-of-the-envelope validation before you commit budget.

Inputs match the fields you'd see in a P&L, ad dashboard, or CRM export, so you can paste numbers straight in without conversion.

  • Fast enough for meetings — recalculates as you type
  • Clear metric labels (no jargon)
  • Works across marketing, sales, and operations
  • Pair it with the related calculators for a full model

How to use the result in a decision

A single profit margin number is rarely enough. Combine the Profit Margin Calculator's output with a target (a goal margin, a break-even point, a return threshold) and treat the difference as your headroom.

If the headroom is small, add sensitivity: rerun the Profit Margin Calculator with a lower price or higher cost and see how quickly the number flips. Robust decisions look good in both cases.

From back-of-the-envelope to a real model

The Profit Margin Calculator is a starting point. When the decision is worth a full model, take the inputs into a spreadsheet, add scenarios, and share it with your team — the Profit Margin Calculator then becomes the sanity check the team uses to confirm the model.

Frequently asked questions