Profit Margin Calculator
Calculate gross profit margin and markup from your revenue and cost.
How to use this tool
- 1Paste or type your input above.
- 2The result updates instantly.
- 3Copy the output with one click.
Frequently asked questions
What's the difference between margin and markup?+
Margin is profit as a percentage of the selling price; markup is profit as a percentage of cost. A 50% markup on a $60 item is a 33% margin.
Is my data private?+
Yes. The tool runs entirely in your browser β nothing you paste or type is uploaded to a server.
Guides & deep dives
GST Rates in India: Slabs, CGST/SGST Split and Examples
Master India's GST slabs β 0%, 5%, 12%, 18%, 28% β with real item examples, CGST/SGST/IGST explained, and step-by-step inclusive vs exclusive tax math.
How to Calculate ROI: Formula, Annualized ROI and Examples
Learn how to calculate ROI with the exact formula, annualized ROI, marketing ROI, real estate ROI, worked examples, and common mistakes to avoid.
What Every Invoice Must Include (With Example)
A practical guide to every field a legally valid invoice needs β required elements, numbering schemes, payment terms, late fees, and digital vs. paper rules.