ROI Calculator

By CalculatorInn Team · Updated: 2026-03-22 · Free & accurate · Instant results

Calculate the return on investment for any investment or business decision.

Interactive ROI Calculator

JavaScript is required for the interactive calculator. Enable JavaScript to use this tool.

How to Use This Calculator

Step-by-Step Instructions

  1. Enter your amount invested
  2. Enter your amount returned
  3. Enter your roi
  4. Enter your net profit/loss
  5. Results appear instantly — no button needed

Formula

Mathematical Formula

ROI = (Gain - Cost) / Cost × 100

How It Works

A simple measure of profitability relative to the cost of the investment.

Frequently Asked Questions

What is a good ROI?

It depends on the context. Stock market average is ~10% annually, real estate ~8-12%.

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