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CAGR calculator

Compute the compound annual growth rate between a start and end value.

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Need CAGR? The CAGR calculator derives it from Start value, End value, Years in one step. For instance, with Start value = $10,000.00, End value = $20,000.00 and Years = 5 it returns CAGR = 14.87%.

How to use it

  1. Enter your values: Start value, End value, Years.
  2. Read the result instantly: CAGR.

Frequently asked questions

How does the CAGR calculator work?

It takes Start value, End value and Years and derives CAGR from them. The calculation is live as you type, so the result updates on every change.

Which values does the calculator ask for?

3 values: Start value ($), End value ($) and Years. Nothing else is required — no account, no file upload.

What does a typical calculation look like?

With Start value = $10,000.00, End value = $20,000.00 and Years = 5, the calculator returns CAGR = 14.87%. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

How much does the result change with different inputs?

It moves a lot. Using Start value = $20,000.00, End value = $40,000.00 and Years = 10 instead, CAGR goes from 14.87% to 7.18% — which is why it is worth testing a few scenarios rather than trusting a single figure.

What does it give for smaller values?

Scaled down to Start value = $5,000.00, End value = $10,000.00 and Years = 3, CAGR comes out at 25.99%. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Comparing two investments that pay at different times, deciding whether a project clears its cost of capital, and sanity-checking a valuation someone else produced.

What is the most common mistake?

Trusting a valuation without asking what share of it comes from the terminal value. Past 70%, the answer is an assumption about the distant future dressed up as a calculation.

How accurate is it, and what are the limits?

Estimate only — not financial advice.

What is the difference between the CAGR calculator and the Index Fund Calculator?

This one returns CAGR; the Index Fund Calculator returns Future value and Total invested. That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Present value calculator is the closest one after this: Find today's value of a future sum of money at a given discount rate.

Further reading

All guides →
ExplainerWhat Is CAGR (and How to Use It)?CAGR turns an investment's whole journey into one steady yearly rate. Here's what it means, the formula, why it's useful for comparing, and what it hides.ExplainerHow Inflation Eats Your SavingsInflation quietly cuts what your money can buy. Here's what it is, how it erodes cash, the rule of 72 for prices, and how to protect your savings.ExplainerWhat Is an Index Fund? How Passive Investing WorksAn index fund tracks a whole market instead of betting on winners. Learn how tracking works, why diversification and low fees matter, and how it stacks up against active funds.ExplainerDollar-Cost Averaging: What It Actually Buys YouSpending a fixed amount each period buys more units when the price is low, so your average cost is the harmonic mean of the prices while the average price is the arithmetic mean — always lower, by 4.10 percent on the path worked through here. Against a lump sum, a 200,000-path simulation puts DCA's standard deviation 41 percent lower and its expected terminal wealth $337 lower on $12,000.ExplainerPresent Value vs Future Value: Why Money in Thirty Years Is Worth About an Eighth of Its FacePV = FV ÷ (1+r)^n. At 7 percent over 30 years the discount factor is 0.131, so a promise of $100,000 in thirty years is worth $13,137 today — and $41,199 if you assume 3 percent instead.ExplainerWhat Is Slippage in Crypto? Price Impact, Tolerance and What It CostsPrice impact is arithmetic: on a constant-product pool it equals your trade size divided by the reserve plus your trade. Here is the formula, a table of trade size against impact, and why the setting called slippage tolerance changes none of it.