ROI Calculator

Measure return on investment from initial outlay and final value. Optionally enter years held to see annualised ROI (CAGR). Everything runs locally in your browser — your inputs are not uploaded to produce the result.

(Final value − initial investment) ÷ initial investment × 100. The constant yearly rate of return (CAGR) that grows the initial amount to the final value over the years held.

For a truer picture, use net amounts after fees and transaction costs. Use ROI Calculator for quick planning; confirm important money, tax, or health decisions with an official source or professional when needed.