計算
複利計算
無料の複利計算ツール。毎月の積立とあらゆる複利計算頻度で将来価値を予測。貯蓄、投資、引退計画向け。
From a deposit and a habit to a future balance.
Compounding can pile up fast. The future value uses the chosen schedule for the lump and monthly compounding for the contribution stream.
編集者注
Understanding · Money that earns money.
この詳細な解説章は現在、英語版のみで提供されています。上の変換ツールはあなたの言語で動作しますが、長文の解説記事はまだ翻訳されていません。
よくある質問
Quick answers.
›What is compound interest?
Interest earned on both your original principal and previously earned interest. Each period the base grows, so the next period's interest grows too.
›Monthly vs annual compounding — does it matter?
Yes, but the difference is small at typical rates. Monthly compounding at 5% APR = ~5.12% effective annual yield.
›How is this different from APY?
APY = annual percentage yield, the effective rate after compounding. APR is the nominal rate before compounding. Both are useful when comparing accounts.
›Does it model taxes?
No — outputs are gross. Tax-advantaged accounts (Roth IRA, ISA) keep gains tax-free; taxable accounts pay annual tax.
›Is the calculator free?
Yes — free, no signup, runs in your browser.
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