CAGR Calculator

Turn a start value, end value and time into the compound annual growth rate, and compare it with a benchmark. The result updates as you type so you can compare scenarios quickly.

The method

How it is worked out

CAGR = (ES)1/t − 1
S
Starting value
E
Ending value
t
Years

Keep in mind

What it leaves out

  • The bumpy roadCAGR smooths out the ups and downs. Real growth rarely moves in a straight line.
  • Money added or taken outDeposits and withdrawals along the way distort the rate.
  • InflationThis is a nominal rate. Real growth is lower after inflation.

Use the calculator to compare scenarios rather than as a guaranteed forecast.

About the CAGR Calculator

Turn a start value, end value and years into a compound annual growth rate and compare it with a benchmark.

How it works and an example to tryShow less

How to use the result

CAGR is (end ÷ start)^(1 ÷ years) − 1. The benchmark compounds the start value at its rate; doubling time uses the rule of logs.

Example to try

£10,000 to £18,500 in six years is 85% in total, 10.8% a year. An 8% benchmark would have reached £15,870.

Put it to work

Try it on a real situation

Load an example

What moves the result most

    Worked out from your figures above. Tap a row to try it.

    Who uses it, and when

    Investors reviewing a holding, founders describing growth and students.

    Mistakes worth avoiding

    • Quoting total return as if it were annual.
    • Ignoring deposits and withdrawals along the way.
    • Comparing with a benchmark of different risk.

    Questions

    What does the CAGR Calculator do?

    Turn a start value, end value and time into the compound annual growth rate, and compare it with a benchmark.

    How should I use the result?

    CAGR is (end ÷ start)^(1 ÷ years) − 1. The benchmark compounds the start value at its rate; doubling time uses the rule of logs.

    Does TechBullion store the information I enter?

    The core calculation or transformation runs in your browser. Normal website security and analytics may still record page-level events, but the tool does not need to create a public record from your inputs.

    What mistakes do people make with a cagr calculator?

    Quoting total return as if it were annual. Ignoring deposits and withdrawals along the way. Comparing with a benchmark of different risk.

    Is the result guaranteed?

    No. Use the result as a practical check or planning aid and verify important decisions with the relevant primary source, provider or professional advice.

    Part of the guide · Growth over time · 12 tools

    Investing

    Growth of a lump sum or regular investment, real returns after fees and inflation, portfolio risk and rebalancing, and the maths behind bonds, fund fees and dollar-cost averaging.

    Also under “Growth over time”

    Investment CalculatorInvestment Growth CalculatorDollar-Cost Averaging CalculatorROI CalculatorNPV and IRR Calculator
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    Results are estimates based on the figures entered, for general information only, and not financial, investment, tax or legal advice. See our terms of use.