CAGR Calculator
Calculate the Compound Annual Growth Rate between a start and end value over a number of years, or project a future value forward from a known CAGR.
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Guides
What is CAGR?
The Compound Annual Growth Rate (CAGR) is the smoothed, constant annual rate that would take an investment from its starting value to its ending value over a given period, assuming steady compounding — even though real returns fluctuate year to year. It's the standard way to compare the growth of investments, revenue, or any metric across different time periods on an apples-to-apples basis.
How this tool works
Switch between two modes:
- Calculate CAGR — enter a start value, an end value, and the number of years between them. The tool solves for the constant annual growth rate:
CAGR = (End / Start)^(1/years) - 1. - Project Future Value — enter a start value, a CAGR, and a number of years, and the tool projects the future value forward:
End = Start × (1 + CAGR)^years.
Both modes report total growth in dollars and as a percentage.
CAGR smooths out volatility
A stock that gains 50% one year and loses 20% the next hasn't grown at a steady 15% average — CAGR captures the actual compounded outcome, which is always lower than a simple average of the yearly returns whenever returns vary. This is why CAGR, not average annual return, is the standard metric in investment reporting.
Common uses
- Comparing the historical performance of stocks, funds, or portfolios over different holding periods
- Projecting how an investment might grow at an assumed annual rate
- Evaluating revenue or user growth for a business over multiple years
- Normalizing growth metrics so they can be compared across different time spans
Privacy
This tool runs entirely in your browser. Your numbers are never uploaded to a server.