ROI Calculator

Calculate net return and simple ROI from starting investment, final value and additional income. Review gains or losses in the same currency.

Use this for one starting amount and one ending value with any income entered separately. The model adds the final value and income, then subtracts the original investment.

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  • No registration
  • On your device
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  1. 1Enter details
  2. 2View result

Simple return; excludes taxes, fees, inflation and annualization.

Calculation resultLive
Net return
200.00
ROI percent
20.00

Your input stays on this device for this operation. We don’t upload or store it.

About ROI Calculator

Use this for one starting amount and one ending value with any income entered separately. The model adds the final value and income, then subtracts the original investment.

Simple return

Uses ending value plus income less initial investment.

Loss support

Displays negative net return and ROI when applicable.

How to use ROI Calculator

  1. 1

    Enter initial capital

    Enter a positive Initial investment

  2. 2

    Enter ending value and income

    Enter Final value and any Additional income outside that value

  3. 3

    Read net and percentage return

    Read Net return and ROI percent

Formats and practical limits

Starting amount, ending value and additional income → net return and simple percentage

  • The percentage is not annualized. The calculator does not model the timing of cash flows, taxes, fees or inflation.
  • Use the same currency for all fields and avoid counting income that is already included in final value.

Practical example

For 1,000 invested, 1,200 final value and 50 of separate income, net return is 250 and ROI is 25%.

Further reading

Frequently Asked Questions

1 answers
Can the result be negative?

Yes. Final value plus additional income below the initial investment produces a loss.