How it works
The method behind the number.
Measure return on an investment in percentage and dollars. This tool explains the calculation so you can adjust the assumptions to match your situation.
Your formula appears here after the calculator loads.
Business
ROI calculator
Measure return on an investment in percentage and dollars.
Free to use◌No account needed
Your result
—
Enter your numbers to see the answer.
ROI calculator guide
What does this calculator help you figure out?
Measure return on an investment in percentage and dollars. This free online calculator is designed for people who need a quick, transparent estimate rather than a black-box answer. Enter final value, initial investment, review the assumptions, and adjust the values to match your project or situation.
How is the result calculated?
ROI = (return − investment cost) ÷ investment cost × 100.
Example and assumptions
For a useful first estimate, start with the sample values already shown in the calculator, then replace them with your own measurements or figures. Keep all dimensions in compatible units and round up where the result represents a quantity you must buy.
Use the result for planning, then confirm taxes, fees, contract terms, and other business-specific assumptions.
Common questions
Frequently asked questions
What does this roi calculator calculate?
Measure return on an investment in percentage and dollars. The page shows the result, a breakdown, and the formula used so you can check the calculation.
What information do I need?
You will need final value, initial investment. The labels and units beside each field show what the calculator expects.
How accurate is the result?
Use the result for planning, then confirm taxes, fees, contract terms, and other business-specific assumptions. Accuracy depends on the quality of the inputs and the assumptions used by the underlying formula.
Advertisement