What this tool does
Shows net profit as a percentage of revenue, after all costs and taxes. Enter net profit in the first field and revenue in the second.
How to use it
- Get an income statement for one period.
- Enter net profit in the first field.
- Enter revenue in the second field.
- Run it to get net profit margin as a percentage.
Worked example
Net profit 100 on revenue 200 is a 50% margin. Net profit 8 on revenue 200 is 4%.
Calculation method
Ratio
a/b*100Frequently asked questions
- How does this differ from operating margin?
- Operating margin measures what the core business keeps; net margin reflects interest, tax, and one-off items as well. Net is usually lower.
- What if net profit is negative?
- You get a negative percentage. Read it as the size of the loss relative to revenue.
What this tool does not cover
Quarters containing one-off items or accounting policy changes are poor for trend comparison. Comparing across different industries also needs care.