Finance
Profit Margin
What is the Profit Margin?
Profitability as percent of revenue
This formula is widely used in finance applications. Understanding when and how to apply it helps you interpret calculator results correctly and catch input errors before they propagate.
Formula
Margin = (Revenue-Cost)/Revenue * 100%
Substitute known values into the formula above. Ensure all variables use consistent units before calculating.
Worked Example
Use profit margin calculator
Use the linked calculator below to try your own values and see step-by-step working.
When to Use This Formula
Apply the Profit Margin when you need to profitability as percent of revenue. It is a standard reference in finance coursework, professional practice, and our linked calculators.
Tips & Common Mistakes
- Check whether rates are annual, monthly, or per-period.
- Include fees and taxes for real-world loan comparisons.
- Always verify critical results independently for engineering, medical, or legal applications.
Related Calculators
Further Reading
Browse the Formula Library for related formulas, or read educational articles on our Blog.