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ROI calculator

ROI

Cost in, return out. Percentage and annualized view when you set years.

Runs in your browser. Numbers stay on this device — nothing is uploaded to BrowserSpaces for processing.

Gain & ROI %

Profit and return rate.

Annualized

Optional years held.

Simple model

Not IRR — clear and fast.

Use the calculator

Gain / loss

350

ROI %

35

Annualized % (simple)

35

How it works

How ROI is calculated

Gain = return − cost. ROI% = gain/cost. Annualized ≈ ROI%/years for a simple linear view.

Three steps

  1. 1

    Cost & return

    What you put in and got out.

  2. 2

    Optional years

    For annualized %.

  3. 3

    Read ROI

    Gain and percentages.