CAGR Calculator: Calculate CAGR Using Excel & Our Tool

Compound Annual Growth Rate (CAGR)

Calculation Breakdown

Total Growth Factor:

Formula Exponent (1 / N):

Raw CAGR (Decimal):

What is CAGR (Compound Annual Growth Rate)?

The Compound Annual Growth Rate (CAGR) is the rate of return that would be required for an investment to grow from its beginning balance to its ending balance, assuming the profits were reinvested at the end of each year of the investment’s lifespan. CAGR is one of the most accurate ways to calculate the return for an asset over time because it accounts for compounding.

While an investment may have volatile ups and downs, CAGR provides a “smoothed” average rate that tells you what it *really* returned on an annualized basis. This is particularly useful for comparing the performance of different investments. Many financial analysts calculate CAGR using Excel because of its powerful formula capabilities, but this calculator provides an instant result without needing to open a spreadsheet.

The CAGR Formula and Explanation

The formula for calculating CAGR is mathematically straightforward and involves three key inputs: the investment’s beginning value, its ending value, and the number of periods (typically years).

The accepted formula is:

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

Here is a breakdown of the variables used:

Variable	Meaning	Unit	Typical Range
Ending Value (EV)	The value of the investment at the end of the period.	Currency ($) or Unitless Number	0 to Infinity
Beginning Value (BV)	The value of the investment at the start of the period.	Currency ($) or Unitless Number	Greater than 0
Number of Years (N)	The total time duration of the investment.	Years	Greater than 0

How to Calculate CAGR Using Excel

One of the most common real-world tasks for analysts is to calculate CAGR using Excel. There are three primary methods to achieve this, each with its own advantages.

Method 1: The Standard Formula

You can type the CAGR formula directly into an Excel cell. If your Beginning Value is in cell A2, Ending Value in B2, and Number of Years in C2, the formula would be:
=(B2/A2)^(1/C2)-1

This method is transparent and shows the direct mathematical application.

Method 2: Using the RRI Function

Excel has a built-in function, RRI, that is designed for this exact purpose. The RRI function returns an equivalent interest rate for the growth of an investment. The syntax is =RRI(nper, pv, fv).

• nper: The number of periods (your C2 cell).
• pv: The present or beginning value (your A2 cell).
• fv: The future or ending value (your B2 cell).

The formula would be:
=RRI(C2, A2, B2)

This is often the cleanest and quickest way to find CAGR in Excel. For more details, see this guide on the Excel RRI function.

Method 3: Using the RATE Function

The RATE function is typically used for loans but can be adapted for CAGR by setting the payment (pmt) to zero. The syntax for this use case is =RATE(nper, pmt, pv, fv). You must enter the present value (pv) as a negative number.

The formula would be:
=RATE(C2, 0, -A2, B2)

Practical Examples of CAGR

Example 1: Stock Investment Growth

An investor buys a stock for $5,000. After 8 years, they sell the stock for $15,000. What is the CAGR?

• Beginning Value: $5,000
• Ending Value: $15,000
• Number of Years: 8

Using the formula: CAGR = ($15,000 / $5,000)^(1/8) – 1 = 14.72%

This means the investment grew at a smoothed average rate of 14.72% per year. Interested in stock performance? Try our stock growth calculator.

Example 2: Company Revenue Growth

A startup had revenue of $500,000 in 2021. By 2026, its revenue grew to $2,000,000. The time period is 5 years.

• Beginning Value: $500,000
• Ending Value: $2,000,000
• Number of Years: 5

Using the formula: CAGR = ($2,000,000 / $500,000)^(1/5) – 1 = 31.95%

This powerful growth rate is a key metric for investors and shows the company is expanding rapidly. Comparing growth metrics is essential; learn about CAGR vs IRR to understand the differences.

How to Use This CAGR Calculator

Our calculator simplifies the process into a few easy steps:

1. Enter Beginning Value: Input the initial amount of the investment in the first field.
2. Enter Ending Value: Input the final value of the investment in the second field.
3. Enter Number of Years: Provide the total duration of the investment in years.
4. View Results: The calculator automatically updates, showing the CAGR percentage in the green box, along with a breakdown of the calculation. The chart also adjusts to visualize the growth.

Key Factors That Affect CAGR

Several factors can influence the Compound Annual Growth Rate. Understanding them helps in better interpreting the results.

• Time Horizon: A longer time period tends to smooth out volatility. A high growth rate over a short period can be misleading.
• Initial and Final Values: The absolute start and end points are all that matter for CAGR. Intermediate volatility is ignored, which can be both a strength and a weakness.
• Reinvestment of Profits: The CAGR formula inherently assumes that all gains are reinvested each period.
• Market Conditions: Bull or bear markets can drastically affect the outcome. A high CAGR might be due to a strong market rather than the specific investment’s quality.
• Cash Flows: CAGR does not account for additional deposits or withdrawals. For investments with multiple cash flows, Internal Rate of Return (IRR) is a better metric.
• Risk: CAGR is a measure of return, not risk. Two investments with the same CAGR could have vastly different levels of risk and volatility.

Frequently Asked Questions (FAQ)

What is a good CAGR percentage?

A “good” CAGR is relative and depends on the industry, risk, and economic environment. Generally, a CAGR of 10-15% is considered strong for most equity investments over the long term.

Can CAGR be negative?

Yes. If the ending value is less than the beginning value, the CAGR will be negative, indicating an average annual loss.

What is the difference between CAGR and Absolute Return?

Absolute Return is the total growth over the entire period (e.g., 100% total return). CAGR breaks that down into an annualized, compounded rate (e.g., 14.87% per year for 5 years). CAGR is better for comparing investments over different timeframes.

Why is CAGR better than a simple average?

A simple average ignores the effects of compounding. CAGR provides a more accurate geometric mean that reflects the true annualized growth.

How do I handle periods shorter than a year?

You can calculate a compound monthly growth rate (CMGR) by using the number of months for ‘N’. However, the standard is to use years to annualize the return for easier comparison.

What are the limitations of CAGR?

CAGR’s main limitation is that it smooths out volatility and ignores intermediate cash flows. It’s a historical measure and doesn’t guarantee future returns.

Is CAGR the same as interest rate?

CAGR is a measure of an investment’s growth, while an interest rate is typically what is paid on debt or earned on a savings account. They are conceptually similar but used in different contexts.

Where is the best place to find the CAGR of a company?

You can calculate it yourself using data from financial reports (like revenue or earnings figures over several years) or use financial data platforms that often provide this metric directly.