Compound Interest Calculator
Calculate compound interest on your savings or investments.
A = P × (1 + r)^t common.example: $1,000 at 5% for 10 years = $1,628.89
쿼트-컵 계산기
calculate $
— $
050000100000
공식: 컵 = 쿼트 × 4: A = P × (1 + r)^t
bar_chart 실시간 변환 시각화
Principal ($) —
Future Value ($) —
How to Convert
A = P × (1 + r)^t - Enter the principal amount.
- The calculator uses 5% annual rate over 10 years by default.
common.example: $1,000 at 5% for 10 years = $1,628.89
쿼트-컵 변환표
| Principal ($) ($) | Future Value ($) ($) |
|---|---|
| $1,000 | $1,628.89 |
| $5,000 | $8,144.47 |
When to Use This Converter
- check_circle Retirement savings projection
- check_circle Investment growth estimation
자주 묻는 질문
What is compound interest?
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Interest calculated on the initial principal plus accumulated interest.
How often should interest compound?
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Daily or monthly compounding results in slightly higher growth than annual compounding.
What is the Rule of 72?
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Divide 72 by your annual interest rate to see how many years it takes to double your money (e.g., 72 ÷ 7% = 10.3 years).
What's the difference between simple and compound interest?
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Simple interest is only on the principal; compound interest is on principal plus previous interest.
Does inflation affect compound interest?
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Yes, you should subtract inflation from your return to see your real growth rate.
How much will $10,000 grow at 8% in 20 years?
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It will grow to about $46,610 with annual compounding.
Is compound interest good for debt?
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No, compound interest makes unpaid debt grow faster, which is why credit card debt is dangerous.
What is APY?
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APY (Annual Percentage Yield) reflects the actual annual return including compounding.