Understanding CAGR for Investment Analysis
Compound Annual Growth Rate (CAGR) is a powerful metric that smooths out the volatility of investment returns to show you the constant annual growth rate needed to get from your starting value to your ending value over a specific time period. It is one of the most reliable ways to compare investments of different sizes and durations.
The CAGR Formula
The formula is: CAGR % = ((Ending Value / Beginning Value)^(1 / Number of Years) - 1) x 100. For example, an investment that grew from $10,000 to $25,000 over 8 years has a CAGR of ((25000/10000)^(1/8) - 1) x 100 = 11.8%.
Why CAGR Is Better Than Average Return
Simple average returns can be misleading. If your investment gains 50% one year and loses 30% the next, the average is +10%, but your actual wealth grew only 5%. CAGR accounts for the compounding effect and shows the true annual growth rate. This makes it far more accurate for comparing investment performance.
CAGR vs ROI
ROI shows total return over the entire period, while CAGR shows the annualized return. A 100% ROI over 5 years sounds impressive, but the CAGR is only 14.9% per year. CAGR is more useful for comparing investments with different time horizons because it standardizes the time factor.
Benchmark CAGR by Investment Type
Typical CAGR ranges: Stock market index funds 7-10% over long periods, individual growth stocks 15-25% (with higher risk), real estate 8-12%, bonds 2-5%, savings accounts 1-3%. Higher CAGR generally comes with higher risk, so always consider risk alongside return.
Using the CAGR Calculator
Enter your beginning value, ending value, and number of years. The calculator instantly shows the CAGR percentage and total growth. Use it to compare different investments, evaluate portfolio performance, set realistic growth targets, or analyze business revenue trends over time.
Frequently Asked Questions
CAGR (Compound Annual Growth Rate) is the mean annual growth rate of an investment over a specified period longer than one year. It smooths out the effects of volatility, providing a clearer picture of how an investment has performed over time.
The formula is: CAGR % = ((Ending Value ÷ Beginning Value)^(1 ÷ Number of Years) - 1) × 100. Enter your beginning value, ending value, and number of years into the calculator.
A good CAGR varies by industry and risk level. For stock market investments, a CAGR of 8-12% over 5+ years is generally considered strong. For startups or high-growth sectors, CAGR of 20%+ may be expected. Always compare CAGR against relevant benchmarks.