Profit Margin Calculator

Work out your total costs, net profit, and ROI percentage instantly — with a visual breakdown.

Total Costs

Total Income

Net Profit

ROI Percentage

How to Calculate Business Profit

Net profit is calculated by subtracting your total costs (investment plus any other expenses) from your total income. Return on investment (ROI) expresses that profit as a percentage of your original investment, making it easier to compare the performance of different projects or campaigns regardless of their size.

Understanding the Formula

Total Costs = Investment + Other Expenses
Net Profit = Total Income − Total Costs
ROI % = (Net Profit ÷ Investment) × 100

Frequently Asked Questions

What counts as "other expenses"?

Any additional costs beyond your initial investment — for example, marketing spend, fees, shipping, or operating costs tied to generating the income you're measuring.

What's a good ROI percentage?

This varies significantly by industry and investment type. Compare your ROI against your own historical performance or industry benchmarks rather than a single universal target.