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投資収益率計算機

投資の総収益と年率収益を計算します。

はじめに

Investment Return Calculator — Calculate total and annualized return on an investment. Enter Initial value, Final value, Years to get an instant, accurate result.

計算式

Total return % = ((final value − initial value) / initial value) × 100. Annualized return % = ((final value / initial value)^(1/years) − 1) × 100.

ステップごとの説明

  1. Enter the Initial value.
  2. Enter the Final value.
  3. Enter the Years.
  4. Click Calculate to see your result instantly.

実例

Example: With Initial value = 10000, Final value = 14000, Years = 4, the Investment Return Calculator gives Total Return Pct: 40, Annualized Return Pct: 8.7757, Gain: 4000.

よくある質問

Why does annualized return differ from total return?
Total return is the overall change over the whole holding period; annualized return spreads that same change evenly per year using compounding, making it comparable across different time horizons.
What does "gain" mean here?
The dollar difference between final value and initial value.
What inputs does the Investment Return Calculator need?
You'll need to provide: Initial value, Final value, Years. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Investment Return Calculator?
The Investment Return Calculator applies the formula exactly as calculated — Total return % = ((final value − initial value) / initial value) × 100. Annualized return % = ((final value / initial value)^(1/years) − 1) × 100. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Are these results guaranteed?
No. The Investment Return Calculator gives an estimate based on the numbers you enter and standard financial formulas — actual rates, fees, taxes, and terms vary by lender, institution, and jurisdiction, and can change over time. This is not financial advice; consult a qualified financial professional for decisions specific to your situation.
Is the Investment Return Calculator free to use?
Yes, the Investment Return Calculator is completely free, requires no signup, and runs instantly in your browser.

投資収益率計算機について

The Investment Return Calculator uses a real, verifiable formula — Total return % = ((final value − initial value) / initial value) × 100. Annualized return % = ((final value / initial value)^(1/years) − 1) × 100. — so results are accurate every time, not an approximation.