Investment Returns Calculator

CAGR — the only return number that matters

If you only learn one investment concept, learn CAGR (Compound Annual Growth Rate). It’s the rate at which your investment would have grown if it had compounded at a steady annual rate to reach its final value. Real investments don’t grow at steady rates — they go up and down — but CAGR smooths that out into a single comparable number.

The formula: CAGR = (Final Value / Initial Investment)^(1 / Years) − 1

Example: invest $10,000, ends at $18,500 after 5 years. (18500/10000)^(1/5) − 1 = 1.1313 − 1 = 13.13% annualized. That $10K grew at an effective compound rate of 13.13% per year. Whether the actual yearly returns were +30%, −10%, +25%, +5%, +15% (averaging the same outcome) doesn’t matter — CAGR gives you the “as-if” steady rate.

Why does this matter? Because CAGR is the only number that’s directly comparable across investments. If one stock returned 85% over 5 years and another returned 95% over 7 years, which performed better? Total returns don’t tell you — CAGRs do. Stock A: 13.13% CAGR. Stock B: 10.07% CAGR. Stock A wins despite the lower total return, because its money compounded faster per year.

Total return vs annualized return

Both are useful, but they answer different questions.

Total return

The full percentage gain or loss over the entire period. $10,000 → $18,500 = +85% total return. Easy to calculate, intuitive, but useless for comparing investments held over different time periods. A “100% return” sounds amazing — but if it took 30 years, that’s a 2.34% CAGR, which is worse than a high-yield savings account.

Annualized return (CAGR)

The total return converted to a per-year rate, accounting for compounding. The right number for comparing investments and for projecting forward. A 13.13% CAGR for 5 years is dramatically different from a 13.13% CAGR for 25 years, but you can compare any 13.13% CAGR investment to any other 13.13% investment and they performed equally well on a per-year basis.

Common mistakes interpreting these

• Confusing “total” with “annualized”: Marketing materials sometimes show total return without disclosing the time period, making 50% over 10 years look as good as 50% over 2 years. The first is a ~4.1% CAGR (mediocre); the second is ~22.5% CAGR (excellent).
• Treating CAGR as a guarantee of future returns: CAGR is descriptive of the past, not predictive of the future. A 15% CAGR over 5 years doesn’t mean the next 5 years will be 15%.
• Ignoring the time horizon: A 30% CAGR over 1 year might be lucky; a 30% CAGR over 20 years is virtually impossible to achieve and likely indicates an accounting error or fraud.

Benchmark returns by asset class

Use these long-run benchmarks to evaluate your actual returns. All numbers are nominal (before inflation) unless noted. “Real” returns subtract typical inflation.

Stocks (US, global)

• S&P 500 long-run (1928-present): ~10% nominal, ~7% real annualized
• S&P 500 last 30 years (1995-2025): ~10.5% nominal
• Global stocks (MSCI World): ~8-9% nominal long-run
• Emerging markets: ~9-11% nominal, with higher volatility
• Small-cap US stocks: ~11-12% nominal long-run (extra “size premium”)

Bonds

• US Treasury bonds (long-run): ~5% nominal, 1-2% real
• Corporate bonds: ~6% nominal long-run
• Total bond market (US Agg): ~5% nominal long-run
• High-yield bonds: ~7-8% nominal with much higher default risk

Real estate

• US residential (price appreciation only): ~3-4% nominal, ~1% real long-run
• US residential (total return with rental): ~7-9% nominal for landlords
• Commercial real estate (REITs): ~9-10% nominal long-run

Alternatives

• Gold (long-run): ~5-6% nominal, ~2% real (volatile, often spikes during inflation)
• Bitcoin (since 2010): Extreme volatility; multi-year averages range from −50% to +100%+ CAGR
• Private equity (institutional): ~10-12% nominal long-run, after fees
• Venture capital (institutional): ~12-15% nominal long-run, after fees (with huge dispersion)

Cash equivalents

• High-yield savings (current): ~4-5% nominal (2024-2025)
• 1-year Treasury bills (current): ~4-5% nominal (2024-2025)
• Money market funds (current): ~4-5% nominal (2024-2025)
• Regular savings accounts: 0.5-1% — guaranteed real loss after inflation

If your investment returned less than inflation, you lost real purchasing power. If it beat inflation but lost to a high-yield savings account, you took risk for nothing. If it beat the stock market over a meaningful period (10+ years), you outperformed the benchmark — which is genuinely difficult and worth noting.

Nominal vs real returns

Nominal return is what your investment actually did in currency terms. Real return is the nominal return minus inflation — what your investment did in purchasing power terms. The gap can be enormous over long periods.

Example: 10% nominal return at 3% inflation. The approximate (simple subtraction) real return is 7%. The exact formula uses (1 + nominal) / (1 + inflation) − 1 = 1.10/1.03 − 1 = 6.80%. Either way, your purchasing power grew at roughly 7% per year — not 10%.

In high-inflation periods, nominal returns can hide brutal real losses. A 4% bond return during 8% inflation is a 4 percentage point real loss per year — purchasing power is shrinking even as the account balance grows. This is one of the under-appreciated risks of bonds in inflationary environments.

When comparing your CAGR to long-run benchmarks, decide which framework you’re using. If you’re comparing nominal CAGRs, use 10% for stocks. If you’re comparing real CAGRs (inflation-adjusted), use 7% for stocks. Mixing the two leads to confusion.

Investment Returns Calculator FAQ

What’s a “good” rate of return?

Depends on the asset class and time period. Anything beating the inflation rate is a “real” gain. Anything beating high-yield savings (currently ~4-5%) is rewarded for risk-taking. Anything beating the S&P 500’s ~10% long-run average over 10+ years is exceptional performance. For most retail investors, matching the S&P 500 via index funds is the realistic ceiling — beating it consistently is the domain of a tiny minority of professional managers (and not the same minority year to year).

Should I include dividends/distributions in the final value?

Yes, if they were reinvested. The “total return” CAGR includes reinvested dividends, which is what most stock-index quotes (like “S&P 500 Total Return”) represent. If dividends were paid out as cash and not reinvested, enter them separately in the dividends field — the calculator will include them in your total profit but base CAGR on the reinvested-equivalent.

What if my investment lost money?

The calculator handles negative returns correctly. Initial $10K, final $7K, 3 years = −30% total return, −11.21% CAGR. The negative CAGR tells you what rate of compounding loss occurred per year. Common in single-asset performance, less common in diversified portfolios over 5+ year periods.

Does the calculator handle multiple contributions over time?

No — this calculator assumes a single initial investment. For ongoing contributions, the math becomes “money-weighted return” (a different calculation called IRR). For approximate handling: use the calculator on each contribution separately and weight by amount. Or use the DCA Calculator for stock-style regular contributions.

How does my real estate return compare to stock returns?

Compare total returns (price appreciation + rental income, minus expenses) at CAGR. Most real estate investors see 5-8% CAGR on equity (depending on leverage). Levered real estate (buying with 25% down) can exaggerate returns dramatically in both directions. Compare against stocks at their 10% nominal long-run benchmark — real estate’s lower volatility and tax benefits can make 7% CAGR there worth more than 10% CAGR in stocks for some investors.

What’s the difference between time-weighted and money-weighted returns?

Time-weighted (TWR) is what this calculator computes — the rate that would describe steady compounding from initial to final value over the time period. Money-weighted (also called IRR or “personal rate of return”) accounts for when contributions/withdrawals were made. For a buy-and-hold investment with no additions, the two are identical. For active investing with regular contributions, MWR is more accurate but harder to compute manually.