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Profit Margin Calculator

Calculate gross profit, margin percentage, and markup from cost and selling price.

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All monetary inputs use the same currency; dollar signs are a display convention, not a currency conversion. Results use only the costs and assumptions you enter. Taxes, payment fees and other costs are not added automatically.

Instant result
Profit margin33.33%
Profit on entered costs$50
Markup50%

About this tool

How to use the profit margin tool

Profit is selling price minus cost. Profit margin measures profit as a percentage of selling price, while markup measures profit as a percentage of cost. They are related, but they are not the same percentage.

  1. Enter the required business or pricing information.
  2. Review the live result and correct any details.
  3. Use the result as a planning estimate and save your inputs locally.

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Related learning

Guides for this tool

All guides →
4 min readHow to calculate profit margin: check costs, discounts and zero sales

Calculate gross margin and a separate after-fee contribution, test a discounted sale and understand why zero revenue has no defined margin percentage.

3 min readMargin vs markup: conversion formulas and three checked examples

See why 50% markup is not 50% margin, convert percentages in both directions and recover the implied cost from a selling price.

4 min readPricing with payment fees: calculate percentage-plus-fixed charges correctly

Derive a fee-aware target price, compare small and split payments and distinguish net proceeds from profit using an explicitly fictional fee schedule.

Common questions

Profit Margin FAQ

Is this Docuivo tool free?

Yes. You can use this tool without creating an account or paying a subscription.

Does Docuivo upload my information?

No. The working information you enter is processed in your browser. Browser-local autosave is available on the same device and can be cleared from the editor.

Is the generated document legal or tax advice?

No. Docuivo provides practical document and calculation tools, not legal, accounting, or tax advice. Requirements vary by country and transaction, so verify the rules that apply to your business.