What is ROI?
Return on Investment - the percentage gain or loss on an investment relative to its initial cost.
Finance calculators
ROI Calculator
Calculate ROI, profit or loss, and annualized return on any investment.
Complete guide
How to use ROI Calculator
Enter your initial investment, final value, and time period in years. The ROI Calculator shows total return percentage, profit or loss in dollars, and annualized (CAGR) return.
ROI = ((Final - Initial) / Initial) × 100. Annualized return uses compound annual growth rate: (Final/Initial)^(1/years) - 1.
Annualized return (CAGR)
CAGR smooths returns over time, showing what consistent annual return would produce the same result. Useful for comparing investments of different durations.
Positive vs negative ROI
Positive ROI means profit. Negative ROI means a loss. Break-even is 0% ROI.
Answers
ROI Calculator FAQs
What is ROI?
Return on Investment. It measures the gain or loss on an investment as a percentage of the initial cost.
How do I calculate ROI?
ROI = (Final value - Initial investment) / Initial investment x 100.
What is a good ROI?
It depends on the investment type. Stock market averages around 7-10% annually. Real estate varies widely by market.
What is CAGR?
Compound Annual Growth Rate - the consistent annual return that would produce the same total result over the investment period.
Can ROI be negative?
Yes. A negative ROI means you lost money relative to your initial investment.
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Methodology and examples
ROI Calculator - Free Return on Investment Calculator: formula, example, and use cases
Maintained by FormatNest. See the methodology, assumptions and sources below.
Formula or method
The calculator applies the relevant percentage relationship: amount = base × rate ÷ 100, then reports the requested total, difference, margin, or ratio.
Worked example
Example: enter the price, income, cost, or base amount from a real transaction in ROI Calculator - Free Return on Investment Calculator, then compare the percentage result before making a decision.
Best use cases
Use ROI Calculator - Free Return on Investment Calculator when you need a fast browser-based estimate, comparison, or planning result without creating an account.
Important: For educational planning only. Rates, tax rules, fees, and eligibility vary; confirm important decisions with a qualified professional.
Editorial note: Review the input definitions, units and assumptions before relying on results. For corrections, contact FormatNest with your inputs and expected result.