Investment / CAGR Calculator

Measure investment growth properly

CAGR (Compound Annual Growth Rate) expresses an investment's growth as a single steady annual rate, making it easy to compare investments held for different lengths of time. It is calculated as (Final ÷ Initial)^(1 ÷ years) − 1.

Alongside CAGR, the calculator shows your total return, net profit and how many times your money grew.

Outputs

• Compound annual growth rate (CAGR)
• Total return percentage and net profit
• Overall growth multiple

Key features at a glance

• Calculates the compound annual growth rate (CAGR)
• Inputs: initial value, final value, and number of years
• Also shows total return percentage and net profit
• Reports the overall growth multiple
• Smooths volatile growth into a single annual rate
• Runs entirely in your browser, even offline

What CAGR measures and how it is calculated

CAGR, the Compound Annual Growth Rate, expresses an investment's growth as a single steady annual rate, as if it had grown by the same percentage every year. It is calculated as (Final ÷ Initial) raised to the power of (1 ÷ years), minus one. For example, growing from 1,000 to 2,000 over five years is a CAGR of about 14.9%, even though the real year-to-year returns were probably uneven.

The power of CAGR is that it smooths out volatility into one comparable figure. Real investments rarely grow in a straight line — a fund might gain 30% one year and lose 10% the next — but CAGR tells you the equivalent constant rate that would have produced the same final value. This makes it far more meaningful than a simple average of annual returns, which can be misleadingly high.

Why CAGR beats average return

A naive average of annual returns overstates real growth because it ignores compounding and the asymmetry of gains and losses. Consider an investment that rises 50% then falls 50%: the simple average is zero, suggesting you broke even, but you actually ended with 75% of your money. CAGR captures this correctly by working from the start and end values, so it reflects what really happened to your capital.

This is why analysts and investors quote CAGR when comparing investments held for different periods or with different volatility. It puts everything on a level annual footing, letting you compare a steady bond with a jumpy stock fairly. The trade-off is that CAGR hides the bumps along the way, so it is best paired with a measure of volatility when judging risk.

The limitations to keep in mind

Because CAGR depends only on the first and last values, it ignores everything in between. Two investments with the same start and end points have the same CAGR even if one soared and crashed repeatedly while the other rose smoothly — yet they carried very different risks. CAGR also assumes the gain is reinvested and compounding, which may not match how you actually held the asset.

It is also sensitive to the choice of endpoints. Measuring from a market low to a high flatters the rate, while the reverse understates it. For these reasons, treat CAGR as one useful summary among several rather than the whole story, and be mindful of the period you are measuring over when you compare figures.

Tips for using the CAGR calculator

• Use CAGR to compare investments held for different lengths of time
• Pair it with a volatility measure to judge risk, not just return
• Be aware that endpoints chosen at a low or high can distort the rate
• Remember CAGR assumes reinvested, compounding growth
• Use the growth multiple for an intuitive sense of how much your money grew

Why choose our CAGR calculator?

Our calculator is completely free with no signup, no limits, and no subscription. It runs entirely in your browser, so results are instant, it works offline, and your investment figures are never sent to a server.

It is one of more than 200 free tools on ToopTools, and you can pin it to your My Workspace, a personalized workspace where you keep the tools you use most in a single dashboard. Beside the compound interest and other finance tools, it helps you measure and compare investment performance properly.

Common use cases

Investors use the CAGR calculator to measure how an investment, portfolio, or fund has grown per year, and to compare options held over different periods on an equal footing. Business owners use it to express revenue or user growth as a single annual rate for reports and pitches.

Analysts use it to benchmark performance against an index or a target, and students use it to learn why compound growth and simple averages differ. Because it also shows total return and the growth multiple, it gives both the precise rate and an intuitive sense of the gain.

Is the CAGR calculator free?

Yes. It is completely free with no account, no sign-up, and no usage limits. Calculate as many growth rates as you like at no cost.

What is the CAGR formula?

CAGR equals (Final value ÷ Initial value) raised to the power of (1 ÷ number of years), minus one, expressed as a percentage. It gives the constant annual rate that turns the initial value into the final value.

How is CAGR different from average annual return?

A simple average adds up annual returns and divides by the count, ignoring compounding. CAGR works from the start and end values, so it reflects actual compounded growth and is not distorted by the asymmetry of gains and losses.

Can CAGR be negative?

Yes. If the final value is lower than the initial value, the CAGR is negative, indicating an average annual loss over the period. The calculator handles declining investments as well as growing ones.

What does CAGR not tell me?

It does not reveal the volatility or path between the endpoints. Two investments with identical CAGRs can have very different risk profiles, so pair CAGR with a measure of variability when assessing an investment.

Are my figures kept private?

Yes. Everything is computed in your browser and nothing is uploaded, so your investment values stay private and the tool works without an internet connection.

How do I calculate CAGR?

Enter the beginning value, the ending value, and the number of years, and the calculator instantly returns the compound annual growth rate — the steady yearly rate that would take the investment from its start value to its end value.

Does the CAGR calculator work offline?

Yes. The calculation runs entirely in your browser, so once the page has loaded the tool works without an internet connection, and your figures are never uploaded — they stay private on your own device.