What is CAGR Calculator?
The CAGR Calculator measures the compound annual growth rate of any investment over a period longer than one year. CAGR expresses the smoothed annual rate of return an investment would have earned each year if its value grew at a steady, compounded pace from the starting value to the ending value. Unlike a simple average return, which ignores compounding and can overstate performance, CAGR gives investors a single, honest, apples-to-apples percentage for comparing stocks, mutual funds, index funds, bonds, real estate, cryptocurrency and whole portfolios. Enter your starting value, ending value and holding period, and this calculator instantly returns the CAGR, the total return over the full period and a growth trajectory chart that projects your investment year by year. It also benchmarks your result against the S&P 500 (around 10% annualised), investment-grade bonds (around 5%) and savings accounts (around 2%), so you can judge whether your money is growing faster or slower than mainstream alternatives. Whether you are analysing a past trade, evaluating a fund manager, planning for retirement or pitching a projection to stakeholders, the CAGR Calculator turns raw numbers into a clear, comparable performance metric in seconds.
When to Use This Calculator
- Comparing mutual funds or ETFs that have different holding periods
- Evaluating whether an investment outperformed the market over the same window
- Setting return expectations for a retirement or education savings plan
- Projecting the future value of a lump sum for a specific financial goal
- Judging the long-term track record of a fund manager or a particular stock
- Comparing asset classes such as stocks, bonds and real estate fairly
Steps:
- Enter the starting value of your investment — the amount originally invested or the value at the beginning of the period.
- Enter the ending value — the current or final value of the investment.
- Set the number of years the investment has been held.
- View your CAGR percentage and the total return for the full period.
- Compare your result against the S&P 500, bonds and savings benchmarks to gauge relative performance.
Formula
CAGR = (End Value / Start Value)^(1 / Years) − 1
Total Return = (End Value − Start Value) / Start Value × 100
Example: (25,000 / 10,000)^(1 / 5) − 1 = 0.2011 = 20.11%
Use Cases
- Evaluating the historical performance of a stock, fund or portfolio
- Comparing two or more investment options on a consistent, like-for-like basis
- Setting realistic return assumptions for retirement and financial planning
- Forecasting the future value of a lump sum for a specific financial goal
- Presenting performance data to clients, investors or management
Key Benefits
- A single, comparable performance metric for any asset or period
- Automatically accounts for the power of compounding
- Built-in benchmark comparison against stocks, bonds and savings
- Growth trajectory chart visualises how money compounds over time
- Instant, accurate results with no manual formula work
Pro Tips
- Always compare CAGR against a relevant benchmark over the same time period.
- Prefer holding periods of five years or more for statistically meaningful results.
- Pair CAGR with maximum drawdown and standard deviation for a full risk picture.
- Use after-tax CAGR when comparing taxable and tax-advantaged accounts.
- Recalculate after major deposits or withdrawals rather than mixing cash flows into the rate.
Common Mistakes to Avoid
- Using CAGR for periods shorter than one year, where it becomes meaningless
- Ignoring volatility — two portfolios can share a CAGR yet have very different risk
- Comparing pre-tax CAGR when tax treatment differs between investment types
- Forgetting that CAGR assumes no additional deposits or withdrawals
- Judging a fund on CAGR alone without fees, drawdowns or manager tenure
Key Terms Explained
- CAGR (Compound Annual Growth Rate): the annualised rate that turns a starting value into an ending value when compounded each year
- Total Return: the cumulative percentage gain or loss over the entire period
- Annualised Return: the per-year equivalent rate expressed as if compounding yearly
- Benchmark: a standard index or asset class used to judge relative performance
- Compounding: the process by which returns earned in earlier years earn further returns in later years
Related Concepts
- Simple average return — the arithmetic mean that ignores compounding
- IRR (Internal Rate of Return) — handles the irregular cash flows CAGR cannot
- Compound interest — the underlying mechanism that powers CAGR growth
- Maximum drawdown — the largest peak-to-trough decline during the period
- Total return — the overall gain including dividends and interest
Example
Imagine you invested $10,000 in a growth fund five years ago and the account is now worth $25,000. The CAGR Calculator returns a compound annual growth rate of 20.11% — meaning your money grew at an average of 20.11% per year, compounded annually, to reach $25,000. Over the same five-year window the S&P 500, at its historical average of about 10% per year, would have grown the same $10,000 to roughly $16,105. Your investment beat the market benchmark by a wide margin, which tells you the fund manager earned their fees. Had the money earned only the 2% a typical savings account pays, it would have grown to about $11,041 — a difference of nearly $14,000 versus your fund. That contrast is exactly why CAGR benchmarking matters.
Interpreting Your Results
A CAGR of 10% or more over five or more years is generally considered strong for equities, in line with the long-run average of the S&P 500. Between 4% and 6% is typical for balanced or bond-heavy portfolios, while anything below 2–3% roughly matches a savings account and signals that your money may be losing purchasing power to inflation. A negative CAGR means the investment lost value over the period. Crucially, CAGR smooths over every up and down along the way, so two funds with identical CAGRs can have totally different journeys; always read the result together with volatility metrics such as maximum drawdown and standard deviation. When comparing, use the same start and end dates and the same currency, and prefer after-tax figures for a true apples-to-apples verdict.