CAGR Calculator: Compound Annual Growth Rate for 2026

Calculate the compound annual growth rate of any investment. Enter beginning value, ending value, and time period to find your annualized return.

Mathematical Audit

How CAGR Is Calculated

CAGR represents the constant annual growth rate that takes an investment from its beginning value to its ending value over a specified period.

CAGR = (Ending Value ÷ Beginning Value)^(1 ÷ Years) − 1
Total Return = ((Ending Value − Beginning Value) ÷ Beginning Value) × 100
Doubling Time ≈ 72 ÷ CAGR (Rule of 72)

CAGR smooths out volatility and shows the steady rate needed to achieve the actual result. It doesn't reflect actual year-by-year returns, which may vary significantly.

Operational Guide

How to Use the CAGR Calculator

1

Enter the beginning value

Input the starting value of your investment, portfolio, revenue, or any metric you want to measure.

2

Enter the ending value

Input the current or final value after the growth period.

3

Enter the number of years

Specify the time period in years (decimals accepted for partial years).

4

Review your CAGR results

See the annualized growth rate, total return percentage, absolute gain, and estimated doubling time.

Real-World Scenario Example

"An investor who put $10,000 into an index fund 5 years ago and now has $25,000."

Inputs

beginningValue:10000
endingValue:25000
numberOfYears:5

Result

CAGR: 20.11%. Total return: 150%. Absolute gain: $15,000. Doubling time: 3.6 years.

Important Disclaimer

This calculator provides mathematical results based on your inputs. Past performance does not guarantee future results. CAGR does not account for investment risk, fees, or taxes. Consult a financial advisor for investment decisions.

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Sources & References

Corporate Finance Institute — CAGR (Compound Annual Growth Rate)

https://corporatefinanceinstitute.com/resources/valuation/what-is-cagr/

Omni Calculator — CAGR Calculator

https://www.omnicalculator.com/finance/cagr