Calculate profit margin and markup.
The Profit Margin Calculator works out gross profit, profit margin percentage, and markup from your cost and selling price. It is essential for shop owners, e-commerce sellers, freelancers pricing their work, and anyone needing to set prices that actually make money. Use it as a profit margin calculator for retail business to test what selling price gives you a healthy margin, learn how to calculate gross profit margin percentage on a single transaction, or use it as a selling price calculator from cost and margin to back-solve the right list price for a target margin. Many people also use it to settle the markup vs margin difference calculator free question — markup is calculated against cost, margin against selling price, and they always produce different percentages even though the absolute profit is the same. Once you have the maths in front of you, you can answer what is a good profit margin for small business in your industry — typical retail runs 15–30% margin, restaurants 10–15%, software 60–80%, and freelance services 30–60%.
Yes, Profit Margin Calculator is 100% free to use with no signup, no watermark, no daily caps, and no hidden charges. You can use it as many times as you need.
Yes — files are processed directly in your browser whenever possible, so they never reach our servers. That keeps your data private when you use Profit Margin Calculator online.
Yes. Profit Margin Calculator works on iPhone, iPad, Android phones and tablets, plus Windows, Mac, and Linux laptops. Just open the page in your mobile browser — there is nothing to install.
No download and no installation required. Profit Margin Calculator runs entirely in your web browser, so it works instantly on any device with an internet connection.
Yes. Profit Margin runs in any modern mobile browser — Safari on iPhone and iPad, Chrome on Android, plus every other major mobile browser. There is nothing to install from the App Store or Play Store.
Profit Margin works in every up-to-date browser including Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge, Brave, and Opera, on both desktop and mobile.
No. The processing for Profit Margin happens entirely inside your browser, so your files stay on your own device. Nothing is uploaded to our servers and nothing is kept after you close the page.
There is no fixed server-side limit because Profit Margin runs in your browser. The practical ceiling depends on your device's memory — most laptops and phones handle files up to around 100–200 MB without trouble.
No account, no email, no signup. Just open the page and use Profit Margin straight away. There are no usage limits, no daily caps, and no premium tier hidden behind a paywall.
No. The output you download from Profit Margin is clean — no OfficeToolsHub watermark, no logo, no "made with" badge, no extra metadata added. The file is yours to use however you like.
For most browser-based tools the heavy lifting runs locally, so a brief network drop after the page loads usually does not interrupt your work. We still recommend a stable connection for the initial page load.