What is Compound Annual Growth Rate (CAGR)?
Our Smart CAGR Calculator allows you to easily determine the Compound Annual Growth Rate of your investments, business revenue, or digital assets. CAGR represents the smoothed, annualized yield over a specified time period. Unlike a simple absolute ROI calculation, it factors in the compounding time value of money, assuming that any profits are reinvested at the end of each year.
The Core CAGR Formula
CAGR provides a "smoothed" rate of return by ignoring day-to-day market volatility and interim fluctuations. The mathematical formula used globally by financial analysts is:
CAGR = [ (Final Value / Initial Value)^(1 / Number of Years) ] - 1
- Initial Value: The starting amount you invested or the initial revenue base.
- Final Value: The current, ending value, or final payout of your portfolio.
- Number of Years: The exact duration the investment was held or the project was active.
Why is CAGR Better Than Absolute ROI?
Absolute Return on Investment (ROI) tells you the total percentage return from beginning to end, but it completely ignores how long it took. For instance, earning a 50% ROI might sound impressive, but if it took 15 years to achieve, the actual yearly growth is quite poor. CAGR standardizes returns so you can objectively compare different income streams, stock portfolios, or side hustles that were active for different lengths of time.
Frequently Asked Questions (FAQs)
What is considered a "good" CAGR?
A "good" CAGR varies heavily by asset class and risk tolerance. For the broader stock market (like the S&P 500 index), historical averages suggest a CAGR of 7% to 10% after inflation is standard. Conversely, high-growth digital assets, profitable websites, or startup side hustles might target a CAGR of 30% or more, while conservative bonds sit around 3% to 5%.
Can CAGR be a negative number?
Yes. If your final investment value is lower than your initial starting value, your capital has depreciated. The calculator will accurately compute and display this as a negative Compound Annual Growth Rate, indicating the annualized rate of loss.
Can I calculate CAGR for months instead of years?
Yes, but you must convert months into a decimal fraction of a year. For example, to calculate the CAGR over 18 months, you would simply enter 1.5 in the "Time Period" field.