Formula and assumptions
This calculator uses the values entered above only. Results are a planning aid, not accounting, tax, pricing, or investment advice.
ROI Calculator
Calculate return on investment from an initial cost and return value.
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About ROI Calculator
ROI Calculator computes Return on Investment percentage and total gain from initial investment capital and final return value.
How to use ROI Calculator
- Enter initial investment cost.
- Enter final return value (or net profit generated).
- Click Calculate to compute ROI percentage.
- Review total investment gain or loss.
Examples
Initial Investment: £1,000.00, Final Value: £1,450.00 Result: Net Gain: £450.00, ROI: 45.00%
FAQ
What is the formula for Return on Investment?
ROI = ((Final Value - Initial Cost) / Initial Cost) * 100.
Can ROI be negative?
Yes. If final value is less than initial cost, ROI will be negative, indicating a financial loss.
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