Instant calculator
ROI Calculator
Use this ROI calculator to compare how much value came back from an investment relative to what you put in.
How to use
Quick steps
- Enter initial cost, ending value.
- Review the instant answer block and supporting calculations.
- Compare the result with related tools in the same category before making a decision.
Formula
How this calculator works
ROI = (ending value - initial cost) / initial cost x 100
ROI alone does not show time, risk, or capital lock-up, so pair it with payback and annualized return when possible.
FAQ
Common questions
How does the roi calculator work?
It uses ROI = (ending value - initial cost) / initial cost x 100. Enter initial cost, and ending value to generate an instant estimate.
When should I use this roi calculator?
Measure return on investment as a percent and dollar gain.
What should I keep in mind?
ROI alone does not show time, risk, or capital lock-up, so pair it with payback and annualized return when possible.