CAGR Growth Rate Calculator
Use this tool to calculate Compound Annual Growth Rate (CAGR) from a starting value, ending value, and number of years.
- Total Return: -
- Growth Multiple: -
- Estimated Doubling Time: -
What is CAGR?
CAGR stands for Compound Annual Growth Rate. It tells you the smooth annual rate of return needed for an investment (or any value) to grow from a beginning amount to an ending amount over a fixed period. In other words, CAGR turns a bumpy growth path into one clean annual percentage.
Investors use CAGR to compare stocks, mutual funds, ETFs, business revenue growth, real estate performance, and even personal net worth trends. Because it annualizes results, it becomes much easier to compare different opportunities across different time horizons.
How to use this CAGR growth rate calculator
Step-by-step
- Enter the Beginning Value (starting amount).
- Enter the Ending Value (final amount).
- Enter the Number of Years between start and end.
- Click Calculate CAGR to see the annualized growth rate.
The tool also shows your total return, growth multiple, and an estimated doubling time if growth is positive.
Example calculation
Suppose you invested $10,000 and it became $18,500 after 5 years.
- Beginning Value = 10,000
- Ending Value = 18,500
- Years = 5
CAGR = (18,500 / 10,000)1/5 - 1 = 13.07% per year (approximately). That means your investment grew as if it compounded at about 13.07% each year.
CAGR vs average annual return
CAGR is often confused with simple average annual return. They are not the same.
Average annual return
This is the arithmetic mean of yearly returns. It can overstate growth when returns are volatile.
CAGR
CAGR captures compounding and gives the true annualized rate between start and finish. For long-term planning, CAGR is usually more useful.
Why CAGR matters for financial planning
- Portfolio analysis: Compare strategies across different periods.
- Retirement projections: Estimate long-term wealth growth with compounding.
- Business performance: Evaluate sales or profit growth over multi-year periods.
- Goal tracking: See whether your savings growth rate is on target.
Important limitations of CAGR
CAGR is powerful, but it has limitations:
- It hides year-to-year volatility and drawdowns.
- It assumes a smooth growth path, which real investments rarely have.
- It does not show risk, only growth rate.
- It does not include taxes, fees, or inflation unless you adjust inputs yourself.
Use CAGR alongside other metrics such as standard deviation, max drawdown, and inflation-adjusted returns.
Tips for better CAGR analysis
1) Use realistic timeframes
Very short periods can produce misleading CAGR results. Multi-year periods generally provide better insight.
2) Adjust for cash flows
If money is added or withdrawn during the period, basic CAGR may not be accurate. Consider money-weighted or time-weighted return methods when relevant.
3) Compare apples to apples
When comparing two investments, ensure the same date range and similar risk profile.
Final thoughts
A CAGR growth rate calculator is a simple but essential tool for investors, business owners, and anyone who wants to measure progress over time. Use it to evaluate performance quickly, compare alternatives fairly, and make better long-term decisions.
Try different scenarios above to understand how even small differences in annual growth rates can have a major impact through compounding.