Compound Interest Calculator
FinanceCalculate compound interest for savings and investments with detailed growth breakdowns.
Final Amount
¥0
Total Contributed
¥0
Total Interest
¥0
Initial Principal
¥0
Annual Interest Rate
0%
Investment Years
0
Compounding Frequency
-
Monthly Contribution
¥0
📈 Effective Annual Rate: 0%
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Growth Schedule
0
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▶ About Compound Interest
A compound interest calculator helps you project the growth of your investments. Compound interest means interest earned also earns interest in subsequent periods.
Formula
Compound interest formula: FV = P × (1 + r/n)^(n×t) + A × [((1 + r/n)^(n×t) − 1) / (r/n)]
P- Initial principalr- Annual interest raten- Compounding periods per yeart- Investment yearsA- Contribution per period (from monthly contribution)
Example
$100,000 principal, 5% annual rate, 10 years, monthly compounding, $1,000 monthly contribution
Final amount ~$320,000, total interest ~$100,000
$100,000 principal, 5% annual rate, 10 years, monthly compounding, $1,000 monthly contribution
Final amount ~$320,000, total interest ~$100,000
Note: This calculator is for reference only. Actual returns are subject to market fluctuations and taxes. Not investment advice.