Finance calculator

CAGR Calculator

Calculate compound annual growth rate over a selected number of years.

Your inputsStart with your numbers
Scenario referenceFinance planning model

CAGR = (Ending ÷ Starting)^(1 ÷ Years) − 1

Change one input at a time to see what drives the result.
Live estimateYour result
● Updates instantly
CAGR21.64%
Total growth80%
Decision tip

Try a conservative, expected and optimistic scenario before you decide.

✓ Free to use✓ No account or saved data✓ Formula shown below
How to use

Enter the values used by cagr

Calculate compound annual growth rate over a selected number of years. Enter the assumptions for the same time period and currency, and check any minimum or maximum values displayed next to the input fields.

01
Record your inputs

Starting value, Ending value, Years.

02
Compare a second case

Change one variable so you can see the effect without mixing several assumptions.

03
Check the calculation

The worked example below shows the formula and the independently rendered default-input results.

Complete worked example

Calculate cagr from sample inputs

These are the same starting values loaded into the interactive calculator above. The displayed results below come from the same calculation engine as the live tool.

Step 1 — Record the inputs

Starting value10,000
Ending value18,000
Years3 years

Step 2 — Identify the formula

FORMULACAGR = (Ending ÷ Starting)^(1 ÷ Years) − 1

Step 3 — Substitute the values

For this exact worked case, use Starting value = 10,000; Ending value = 18,000; Years = 3 years. Replace named formula variables with their input values as shown below. Keep the units consistent; a percent is divided by 100 wherever the model requires a decimal rate.

NUMERIC SUBSTITUTIONCAGR = (Ending ÷ Starting)^(1 ÷ 3 3 3 years) − 1

Step 4 — Read the calculated answer

CAGR21.64%
Total growth80%

Rounding follows the calculator display: whole units may be rounded up when an indivisible unit is required, while other values typically show up to two decimal places. The result is conditional on the entered assumptions, not a market quotation.

Decision interpretation

How to interpret this cagr result

Use CAGR to compare growth in revenue, investments, users, traffic, or other business metrics.

Use the estimate to compare financing, investment, or cash-planning alternatives with the same timing and rate conventions.

Scenario comparison

Compare current terms with a longer duration, higher rate, or lower available cash amount as appropriate.

Assumptions and limitations

Realized returns and borrowing costs can differ because of fees, compounding methods, payment timing, tax and market risk.

  • Starting value: Enter a finite numeric value. Use a consistent definition across comparison cases.
  • Ending value: Enter a finite numeric value. Use a consistent definition across comparison cases.
  • Years: Enter a finite numeric value of at least 0.1. Use a consistent definition across comparison cases.

Frequently asked questions

What does this calculator include?

It uses the named inputs above and the formula shown in the worked example. No other fees, revenue streams, or external data are automatically included.

Why could my real result be different?

Realized returns and borrowing costs can differ because of fees, compounding methods, payment timing, tax and market risk.

How should I compare two results?

Compare current terms with a longer duration, higher rate, or lower available cash amount as appropriate. Record the assumption that changed so a higher or lower answer is interpretable.

Transparent formula

CAGR calculation method

CORE FORMULACAGR = (Ending ÷ Starting)^(1 ÷ Years) − 1

Use CAGR to compare growth in revenue, investments, users, traffic, or other business metrics.

Use with care

What this estimate does—and does not—include

This tool is designed for quick planning and comparison. For tax, accounting, legal, investment, lending, or other regulated decisions, verify the result against the rules and assumptions that apply to your situation.

CalcScoutHQ shows the calculation logic so you can check assumptions, understand the result, and reproduce the math independently when needed.