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Profit Margin Calculator
Calculate profit margin, markup, and gross profit from cost and revenue.
100% BROWSER-BASED
Gross Profit
$40.00
Profit Margin
40.0%
of revenue
Markup
66.7%
of cost
Formulas Used
Gross Profit = Revenue - Cost
Margin = (Profit / Revenue) × 100
Markup = (Profit / Cost) × 100
/ HOW TO USE
How to Use Profit Margin Calculator
This tool runs entirely in your browser. Upload your file, make your changes, and download the result. Your files never leave your device — everything is processed locally for maximum privacy.
/ FEATURES
Key Features
100% Client-Side Processing
No File Size Limits
Completely Free
Privacy Focused
Instant Results
Works Offline
/ USE CASES
Common Use Cases
- —Analyze product profitability
- —Set pricing strategy
- —Compare margins across products
- —Financial planning and reporting
/ FAQ
Frequently Asked Questions
What's the difference between margin and markup?
Profit margin is profit as a percentage of revenue. Markup is profit as a percentage of cost. A 50% markup equals ~33% margin.
/ YOUR PRIVACY
Your Privacy is Guaranteed
Unlike other tools that upload your files to servers, ToolBox processes everything locally in your browser.
No server uploads
Instant processing
Works offline