Profit Margin Calculator
Margin, markup, and profit from revenue and cost.
$
$
How it works
Margin = profit ÷ revenue × 100. Markup = profit ÷ cost × 100.
FAQ
Is this calculator free?
Yes. No signup is needed and nothing you enter is stored.
Is the result exact?
Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.
Do my numbers leave my device?
No. The calculation runs in your browser.