ROI Calculator

Estimate return on investment as a percentage and dollar gain.

Initial investment Final value

Result
—

How this calculation works

What each input means

Initial investment — Starting outlay.
Final value — Ending value of the investment.

Formula used

Profit = final − initial; ROI % = (profit ÷ initial) × 100 when initial > 0.

Ignores time horizon, cash flows mid-period, and annualization.

How this result is estimated

This investment calculator applies the formulas described on this page to the values you enter. Outputs are not financial, tax, legal, or medical advice.

Inputs are user-provided and may include rounding.
Where accuracy, eligibility, or obligations matter, rely on official disclosures and licensed professionals.

Last reviewed: 2026-04-17

Frequently asked questions

Is this calculator result exact?

It is an estimate based on your inputs and may differ from official or provider-specific calculations.

Does this site provide financial, tax, or legal advice?

No. Each tool applies explicit formulas to values you supply. Financial, tax, and legal conclusions belong with licensed professionals and official documents.

Home | Category Hub

Related Calculators

More related calculators