What is CAGR? Simple Explanation with Real-World Examples

What is CAGR?

CAGR stands for Compound Annual Growth Rate. It tells you the average annual growth rate of an investment over a period of time, assuming the growth was steady each year.

In simple terms: if your investment grew unevenly over several years, CAGR smooths it out and tells you “what if it grew at the same rate every single year?”

Why Do We Need CAGR?

Imagine you invested ₹1,00,000 and it grew like this:

Year 1: +40% (value: ₹1,40,000)
Year 2: -10% (value: ₹1,26,000)
Year 3: +25% (value: ₹1,57,500)

Your absolute return is 57.5% over 3 years. But what was your annual growth rate? It wasn’t simply 57.5% ÷ 3 = 19.2% — that’s the simple average, which is misleading.

CAGR gives the accurate answer: 16.36% per year.

This means ₹1,00,000 growing at exactly 16.36% each year for 3 years would also give you ₹1,57,500.

The CAGR Formula

CAGR = (Ending Value / Beginning Value)^(1/n) - 1

Where:

Ending Value = Final investment value
Beginning Value = Initial investment amount
n = Number of years

Step-by-Step Calculation

Example: You invested ₹2,00,000 in a mutual fund in 2021. In 2026, it’s worth ₹4,50,000.

Beginning Value = ₹2,00,000
Ending Value = ₹4,50,000
Years (n) = 5

CAGR = (4,50,000 / 2,00,000)^(1/5) - 1 = (2.25)^(0.2) - 1 = 1.1761 - 1 = 0.1761 or 17.61% per year

Your investment grew at an equivalent of 17.61% annually — an excellent return!

CAGR vs Other Return Metrics

CAGR vs Absolute Return

Absolute Return: Total growth percentage (e.g., 125% over 5 years)
CAGR: Equivalent annual rate (e.g., 17.61% per year)
Use absolute return for short periods, CAGR for comparing across different timeframes

CAGR vs Average Annual Return

Average Return: Sum of yearly returns ÷ number of years (can be misleading)
CAGR: Accounts for compounding (always accurate)

Example: +50% in Year 1, -50% in Year 2

Average return: (50 + (-50)) / 2 = 0% — suggests you broke even
Actual value: ₹100 → ₹150 → ₹75 — you LOST 25%!
CAGR: -13.4% — correctly shows the loss

What is a Good CAGR?

Investment Type	Typical CAGR (India)
Fixed Deposits	5–7%
Government Bonds	6–8%
Gold	8–11%
Large-Cap Mutual Funds	10–14%
Mid-Cap Mutual Funds	12–18%
Small-Cap Mutual Funds	14–22%
Nifty 50 (10-year)	11–13%
Real Estate	7–10%

Rule of thumb: If your CAGR beats inflation (6–7% in India), your wealth is growing in real terms.

CAGR Limitations

Hides volatility — A smooth 15% CAGR might include years of -30% and +60%
Assumes buy-and-hold — Doesn’t account for additional investments or withdrawals
Past CAGR ≠ Future CAGR — Historical returns don’t guarantee future performance
Doesn’t show risk — Two investments with same CAGR may have very different risk levels

Practical Uses of CAGR

Comparing mutual funds across different time periods
Measuring business revenue growth over multiple years
Evaluating real estate appreciation in your area
Setting realistic financial goals for retirement planning
Checking if your portfolio beats the benchmark (Nifty/Sensex CAGR)

The Rule of 72

Quick trick: Divide 72 by the CAGR to know how many years your money will take to double.

CAGR 12% → 72 ÷ 12 = 6 years to double
CAGR 15% → 72 ÷ 15 = 4.8 years to double
CAGR 8% → 72 ÷ 8 = 9 years to double

Calculate Your Investment’s CAGR

Want to check how your investments have performed? Use our free CAGR Calculator — just enter your starting value, current value, and number of years. Also try our SIP Calculator for planning future investments.