Growing from $10,000 to $25,000 over 5 years is the same as steady growth of about 20.1% every year. At that rate, year 6 would reach roughly $30,019.
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CAGR, or compound annual growth rate, is the single steady yearly rate that would take a starting value to an ending value over a set number of years. It smooths out the year-to-year bumps so a number like "$10,000 grew to $25,000 in 5 years" becomes one clean figure: about 20.1% a year. The calculator above runs this math instantly from your own numbers.
The formula is short. Divide the ending value by the beginning value, raise that to the power of 1 divided by the number of years, subtract 1, then multiply by 100 to get a percentage:
CAGR = ((Ending value / Beginning value) ^ (1 / Years) - 1) x 100
Take the default example. The ending value is $25,000 and the beginning value is $10,000, so the ratio is 2.5. The period is 5 years, so you raise 2.5 to the power of 1/5 (that is 0.2), which gives roughly 1.201. Subtract 1 to get 0.201, then multiply by 100, and the CAGR is about 20.1% per year. The same value also reaches a 2.5x total multiple and 150% total growth over the full period, which the calculator shows alongside the annual rate.
A simple average of yearly growth rates can flatter your numbers in a way CAGR never will. Suppose a value drops 50% in year one then rises 100% in year two. The simple average of those two rates is plus 25% a year, which sounds great. In reality you are back exactly where you started, so the true compound rate is 0%. The simple average ignores compounding and treats each year as if it stood alone, while CAGR only cares about where you began, where you ended and how long it took. That is why CAGR is the more honest figure for any multi-year comparison: it reports the rate an investment or revenue line actually delivered, not an inflated one that never happened.
There is no universal "good" number, because a healthy CAGR depends entirely on what you are measuring. A broad stock index returning 7% to 10% a year is solid. A growing SaaS company posting 30% to 50% revenue CAGR is strong, and early-stage startups often aim far higher off a small base. For organic search, expressing multi-year traffic or revenue growth as a CAGR is a clean way to show progress that compounds. The takeaway is to always compare your CAGR against a relevant benchmark rather than reading it in isolation. If you want a projection built on your actual rankings and traffic rather than a flat assumption, request a free SEO audit and we will model the growth for you with real data.
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