Calculate Annualized Rate of Return Excel

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Understand and Calculate Annualized Rate of Return (ARR)

The Annualized Rate of Return (ARR), often referred to as the Compound Annual Growth Rate (CAGR), is a vital metric for investors to understand the performance of an investment over a period longer than one year. It smooths out the volatility of returns by assuming the investment grew at a steady rate each year. This makes it easier to compare the performance of different investments over different time horizons.

Why is ARR Important?

Imagine you have two investments:

  • Investment A returned 10% in year 1, 50% in year 2, and -20% in year 3.
  • Investment B returned 15% each year for three years.

Simply averaging these returns would be misleading. The ARR provides a single, comparable growth rate that represents the investment's performance over the entire period.

The Formula for ARR

The ARR is calculated using the following formula:

ARR = (Ending Value / Beginning Value) ^ (1 / Number of Years) – 1

Where:

  • Ending Value: The final value of the investment at the end of the period.
  • Beginning Value: The initial value of the investment at the start of the period.
  • Number of Years: The total duration of the investment in years.

How to Use This Calculator

To calculate the Annualized Rate of Return, simply enter the following values:

  • Beginning Investment Value: The initial amount invested.
  • Ending Investment Value: The final value of the investment after the specified period.
  • Number of Years: The total duration of the investment in years.

Click "Calculate ARR" to see the annualized growth rate.

Annualized Rate of Return Calculator

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