ROI Calculator
Use this ROI calculator to measure whether a project, campaign, or investment is earning enough relative to what you put in.
This page is meant for fast evaluation of campaigns, projects, and investments where simple return math needs extra context. By showing gain, total ROI, and annualized ROI together, it helps users compare opportunities that span different amounts and timeframes.
Enter an initial investment and either a final value or a gain/loss amount. Add years held to estimate annualized ROI for cleaner comparisons across opportunities.
Understand what this tool measures
What it measures
This calculator measures the main money relationship behind roi calculator, turning inputs into a planning number instead of a rough guess.
What affects the result
Rates, time horizon, payment size, and other scenario assumptions usually have the biggest impact on the final result.
How people use it
People use the output to compare options, pressure-test affordability, and decide whether the current setup still fits the goal.
How to keep the result
This roi calculator supports shareable URL state, so the current inputs can be copied into a link and reopened later without re-entering the scenario.
Enter your numbers and review the live output
What the result means
ROI Calculator turns the raw output into a planning answer so users can understand what the number means before making a money decision.
How people use this calculator
Campaign performance
Spend $5,000 and generate $8,000 in value.
Gain is $3,000 and ROI is 60%.
Three-year investment
Invest $10,000 and end at $14,500 after 3 years.
ROI is 45% and annualized ROI is about 13.18%.
Common questions
What does ROI mean?
ROI means return on investment. It compares your gain or loss to the original amount invested.
Why use annualized ROI?
Annualized ROI helps compare investments held for different lengths of time by converting returns into an average yearly rate.
Can ROI be negative?
Yes. If the final value is lower than the initial investment, your gain is negative and your ROI is negative too.
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