FinanceUpdated 2026-05-24

ROI Calculator: Calculate Return on Investment

Calculate return on investment from gain and cost.

Return valueCost

Inputs

ROI Calculator

Results update as you type.

Input status

2/2

Quick scenarios

Pick a common setup and the inputs fill in instantly.

USD
USD

Live result

Profit

$2,300.00

ROI

54.76%

Scenario compare

Save scenario A, change a few inputs, then save scenario B.

Scenario A

Not saved yet

Scenario B

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Quick check

Change one or two inputs to compare a second scenario before using the number.

Need more detail?

Formula, examples, and FAQ stay tucked away until you need them.

FXFormula ExplanationThe core logic behind the numbers on this page.+

This calculator uses a straightforward arithmetic formula to calculate the return on investment. The formula takes into account the initial investment, gain, and cost. You can adjust the editable rate and rule fields to match your specific situation. The result is a clear and concise estimate of the return on investment.

USEHow to UseA short path from input to result.+
  1. Enter the requested inputs.
  2. Keep any editable rule or rate fields aligned with your situation.
  3. Review the result and notes before using the estimate.
EXExamplesReference scenarios to sanity-check your inputs.+

Adjust the defaults to match your scenario, then calculate the estimate.

FAQFAQCommon edge cases and quick clarifications.+
What is return on investment (ROI)?

ROI is a financial metric that measures the gain or loss on an investment compared to its cost.

How do I use this ROI calculator?

Enter the initial investment, gain, and cost, then review the result and notes before using the estimate.

Can I change the assumptions?

Yes, you can adjust the editable rate and rule fields to match your specific situation.

Is this calculator accurate?

This calculator provides an estimate based on the inputs you provide. It's essential to review the result and notes before using the estimate for financial planning.

What is the purpose of the notes section?

The notes section provides additional context and recommendations for using the estimate in your financial planning.

RDRelated GuidesSupporting explainers that go deeper than the calculator alone.+
MAPRelated CalculatorsNeighboring tools in the same decision flow.+