ROI Calculator
Measure the return on an investment, including the annualised rate over time.
Free No signup Runs in your browser — nothing uploaded
€
€
years
- ROI
- 40.00%
- Net gain
- € 400.00
- Annualised return
- 40.00%
How to use the ROI Calculator
- Enter your numbers.
- Results update as you type.
- No rounding surprises — the maths is shown in full.
Frequently asked questions
- Why does annualised return matter?
- A 40% return over five years is very different from 40% in one year — annualising makes them comparable.