Investment Return Calculator

Calculate Investment Return

$
$

Total Gain/Loss

+$4,500

Total Return

45.0%

Annualized Return (CAGR)

13.2%

per year

See how this is calculated

How This Calculation Works

This calculator reports two different measures of return. Total return is simply the percentage change from your starting value to your ending value — straightforward, but it doesn't account for how long you held the investment. A 50% return over 1 year is very different from a 50% return over 10 years.

The annualized return, or CAGR (Compound Annual Growth Rate), solves that problem by expressing the return as a smooth, constant yearly rate that would take you from the starting value to the ending value over the given time period — even though real returns are almost never smooth year to year. This makes it possible to fairly compare investments held for different lengths of time.

CAGR is calculated as: (Final Value ÷ Initial Value)^(1 ÷ Years) − 1. It answers the question "what constant annual growth rate would produce this same overall result?" — which is why it's the standard way funds and analysts report multi-year performance.

Common Mistakes to Avoid

  • Confusing total return with annualized return. A 100% total return sounds impressive, but if it took 15 years to achieve, the annualized return is only about 4.7% — much less remarkable. Always check which figure you're looking at.
  • Ignoring contributions and withdrawals. This calculator assumes a single initial investment with no additional money added or removed. If you made regular contributions, use a compound interest calculator instead for an accurate picture.
  • Not accounting for fees and taxes. The return shown is based on the raw starting and ending values. Trading fees, fund expense ratios, and capital gains taxes all reduce your real, take-home return.
  • Comparing CAGR across very different risk levels. A high CAGR on a volatile investment isn't directly comparable to a lower CAGR on a stable one — risk-adjusted returns matter, not just the raw growth rate.

Worked Example

Scenario: $10,000 invested, grown to $14,500 after 3 years.

Step 1 — Total gain: $14,500 − $10,000 = $4,500.

Step 2 — Total return: $4,500 ÷ $10,000 × 100 = 45%.

Step 3 — Annualized return (CAGR): (14,500 ÷ 10,000)^(1÷3) − 1 = (1.45)^0.333 − 1 ≈ 13.2% per year.

This means a steady 13.2% annual return, compounded over 3 years, would produce the same overall 45% total gain.

Frequently Asked Questions

What's a good annualized return for an investment?
It depends heavily on the asset class and risk level. The broad U.S. stock market has historically averaged roughly 7-10% annually over long periods (before inflation), while bonds and savings accounts typically return less but with much lower volatility. There's no universal "good" number without context on risk.
Why is CAGR lower than total return for multi-year investments?
Total return is the raw percentage change over the whole period, while CAGR spreads that same growth evenly across each year. For any holding period longer than one year, CAGR will always be a smaller number than total return, since it represents a per-year rate rather than a cumulative one.
Can I use this calculator for a loss?
Yes — if your final value is lower than your initial value, both the total return and CAGR will show as negative percentages, accurately reflecting the loss over the period.
Does this calculator account for dividends or reinvested income?
Only if you include them in your "final value" input. If you reinvested dividends, your final value should already reflect the additional shares or cash from those reinvestments — the calculator itself doesn't separately track income distributions.

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