Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Net Profit Margin Calculator

Calculate net profit margin — the percentage of revenue that remains as profit after subtracting every cost: COGS, operating expenses, interest, and taxes. Use it as the single most-cited bottom-line profitability measure when comparing companies or tracking your business over time.

Net Income ($)

Total Revenue ($)

Accounting

Operating Margin Calculator

Calculate operating margin — operating income divided by revenue — to see how much of every sales dollar a company keeps after covering all operating costs but before interest and taxes. Use it as the cleanest measure of pure operational efficiency, independent of capital structure or tax jurisdiction.

Operating Income ($)

Total Revenue ($)

Key differences

	Net Profit Margin Calculator	Operating Margin Calculator
Category	Accounting	Accounting
Inputs required	2	2
Result	Net Profit Margin (%)	Operating Margin (%)
What it does	Calculate net profit margin — the percentage of revenue that remains as profit after subtracting every cost: COGS, operating expenses, interest, and taxes. Use it as the single most-cited bottom-line profitability measure when comparing companies or tracking your business over time.	Calculate operating margin — operating income divided by revenue — to see how much of every sales dollar a company keeps after covering all operating costs but before interest and taxes. Use it as the cleanest measure of pure operational efficiency, independent of capital structure or tax jurisdiction.