IRR (Internal Rate of Return) Calculator
The return rate that drives NPV to zero.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates β verify with a qualified professional before making decisions. Read the full disclaimer.
Founders, analysts and investors rely on the free IRR (Internal Rate of Return) Calculator to nail IRR in seconds β no spreadsheets, no sign-up. Enter your numbers, get an accurate result instantly, and compare scenarios to make smarter pricing, budgeting and growth calls.
About IRR (Internal Rate of Return) Calculator
Internal rate of return (IRR) is the discount rate at which an investment's net present value equals zero β its effective annual return. The formula is simple: IRR solves 0 = Ξ£ CashFlow_t Γ· (1 + IRR)^t. For example, an investment returning $1,300 on $1,000 in a year has a 30% IRR. The free IRR (Internal Rate of Return) Calculator does the math for you β just enter your initial investment and the series of cash flows that follow and read the result instantly. It runs entirely in your browser with no sign-up, no limits and nothing to install.
How to use IRR (Internal Rate of Return) Calculator
- 1Enter your initial investment and the series of cash flows that follow into the calculator.
- 2The IRR is computed automatically using the formula IRR solves 0 = Ξ£ CashFlow_t Γ· (1 + IRR)^t β there's no button to press.
- 3Change any input to model a different scenario, then note or copy the result.
Why use IRR (Internal Rate of Return) Calculator?
- βCalculates IRR instantly with the correct formula β no spreadsheet needed
- β100% free and unlimited, with no sign-up, login or paywall
- βRuns entirely in your browser, so the numbers you enter stay private
- βUpdates live as you type β perfect for comparing scenarios
Frequently asked questions
How do you calculate IRR?+
Internal rate of return (IRR) is the discount rate at which an investment's net present value equals zero β its effective annual return. The formula is: IRR solves 0 = Ξ£ CashFlow_t Γ· (1 + IRR)^t. For example, an investment returning $1,300 on $1,000 in a year has a 30% IRR.
IRR vs ROI?+
ROI ignores timing; IRR accounts for when each cash flow arrives, making it better for comparing investments with different schedules.
Is the IRR (Internal Rate of Return) Calculator free to use?+
Yes β it's completely free, with no sign-up, no login and no usage limits. You can run it as many times as you like.
Is my data private?+
Yes. The IRR (Internal Rate of Return) Calculator runs entirely in your browser, so the figures you enter are never uploaded or stored on any server.
Embed IRR (Internal Rate of Return) Calculator on your website
Want IRR (Internal Rate of Return) Calculatoron your own site? Paste this snippet into any HTML page β it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
<iframe src="https://tooljolt.com/tools/irr-calculator" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="IRR (Internal Rate of Return) Calculator β ToolJolt" loading="lazy"></iframe>Related Business tools
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