Financial

Return on Investment Calculator

Calculate ROI, annualized return and profit for investments. Free online Return on Investment Calculator for financial — instant, accurate results, no signup.

Profit
$500.00
ROI
50.00%
Annualized
22.47%

Derivation

  1. ├── 01Giveninitial = $1000, final = $1500, years = 2
  2. ├── 02Profit$1500 − $1000 = $500.00
  3. ├── 03FormulaROI % = (profit / initial) × 100
  4. ├── 04Substitute(500.00 / 1000) × 100
  5. ├── 05ROI50.00%
  6. ├── 06FormulaAnnualized = (final/initial)^(1/years) − 1
  7. ├── 07Substitute(1500 / 1000)^(1/2) − 1 = 1.224745 − 1
  8. └── 08Annualized return22.47%
Did you know?

ROI was standardised at Du Pont in the 1910s by F. Donaldson Brown, who wanted one number to compare drastically different business units.

§01What is

Understanding the Return on Investment Calculator

The Return on Investment Calculator helps you compute calculate roi, annualized return and profit for investments.. It runs entirely in your browser with no sign-up required.

Quick calculators for the math that shouldn’t need a notepad — instant, accurate, private to your browser. The Return on Investment Calculator sits in that toolkit — it calculate ROI, annualized return and profit for investments. Enter your numbers above and the result updates instantly; every step of the math is shown in the Derivation panel so you can see exactly how the answer was reached.

§02FAQ

Frequently asked questions

Yes. The calculator implements the standard formula as documented and returns exact floating-point results. No approximations are used unless noted in the formula.
Your feedback

How useful was this calculator?

Your ratings stay in your browser — they help us learn which tools people actually rely on.

Rate it
Was this helpful?