投資リターン計算機
一括投資または積立投資の複利成長と将来価値を計算します。
100% client-side · no upload
Future Value
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Total Invested
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Total Returns
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Return on Investment
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How to use the investment return calculator
- Enter your initial lump-sum investment (or 0 for recurring-only).
- Add a monthly contribution if you plan to invest regularly.
- Set the expected annual return rate and number of years.
Common use cases
- Index fund projection: A broad market index has historically returned 7–10% annually over long periods.
- Savings account: Use lower rates (1–5%) for high-yield savings or CDs.
- Compare strategies: Model investing early with smaller amounts vs. starting later with larger amounts.
Related tools: Retirement Planner · Savings Goal Planner · All Finance Tools
よくある質問
- Is this investment calculator free?
- Yes, completely free with no signup or account required.
- Does my data leave my device?
- No. All calculations run in your browser. Your investment figures are never sent to any server.
- Does it work on mobile?
- Yes. The investment calculator is mobile-first and works on any modern smartphone browser.
Last updated: By jarvisbox