ROI Calculator

Calculate return on investment percentage and gain or loss.

About this tool

Return on Investment (ROI) measures how much an investment gained or lost relative to what you put in. Enter what you originally invested and what it's worth now (or what you sold it for) to get the percentage return and the dollar gain or loss.

Key Features

  • ROI as a percentage
  • Absolute gain or loss
  • Handles both profits and losses

How to Use

  1. Enter your initial investment amount.
  2. Enter the current or final value.
  3. Click Calculate ROI.

Benefits

  • Compare returns across different investments
  • See both the percentage and the dollar amount
  • Quickly check if an investment beat inflation or a benchmark

Frequently Asked Questions

No — this is total ROI over the whole holding period, not annualized. A 50% ROI over 1 year and over 10 years are very different outcomes even though the percentage is the same.
Yes — if the final value is lower than what you invested, ROI is negative, showing a loss rather than a gain.

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