Mello
¤ Finance

ROI Calculator

Calculate ROI and annualized return for any investment.

Runs in your browserNo account requiredNo uploadFree
Loading tool…

About ROI Calculator

Compare a starting amount with the final value over a holding period to see total and annualized returns.

Frequently asked questions

The constant yearly return that would produce the same total result over the holding period.

More finance tools

Invoice Generator
Build an invoice and download a clean PDF — no account, no upload.
¤Finance
Mortgage Calculator
See your monthly payment, total interest, and amortization at a glance.
¤Finance
Loan Amortization Calculator
See your loan payment, total interest, and an amortization schedule.
¤Finance
Percentage Calculator
Solve any percentage question in one place.
¤Finance
Compound Interest Calculator
See how an investment grows over time with compounding.
¤Finance
Profit Margin & Markup Calculator
Cost, price, margin, markup — fill in any two, get the rest.
¤Finance