ROI calculator
Measure performance with a straightforward ROI % and math breakdown.
Add recurring costs to see net return more accurately.
How to use
- Enter initial cost and final value or revenue.
- Optionally add recurring costs.
- Read ROI % and copy the formula if needed.
Tips & FAQs
• ROI ignores time — for time‑aware metrics, consider CAGR or IRR.
• Use the same currency for all inputs to avoid confusion.
Why is the ROI negative?
It’s negative if total costs exceed returns — check inputs and time range.
Is compounding included?
ROI is a simple ratio; compounding is outside of scope.