Calculate Return on Investment (ROI) — enter your net profit and investment cost to get ROI percentage and whether the investment was worthwhile.
Enter your figures and click Calculate to see your results.
Enter your net profit (return) and the original investment cost to calculate your Return on Investment percentage.
Press the Calculate button. All results appear instantly — no page reload needed.
Your results are shown in a clear summary card. Use the Copy button to grab the result or Download to save a text report.
All calculations use standard financial formulas and are accurate to two decimal places. For complex financial decisions, always consult a qualified financial advisor.
Yes — completely free with no login, no sign-up and no usage limits.
Click Download to save a text report of your calculation, or Copy to grab the result and paste it anywhere.
Yes. All calculations happen entirely in your browser. No data is ever sent to any server or stored anywhere.
Yes — completely free to use with no login, no sign-up and no usage limits.
Yes. All calculations happen entirely in your browser using JavaScript. No figures are ever sent to any server or stored.
