The Compound Interest Calculator helps you calculate how your savings or investment grows with compound interest. Simply fill in the fields above and click Calculate to get an instant result.
This calculator is part of Calculate Wiki’s Finance Calculators collection.
What You’ll Need
- Initial Principal ($)
- Annual Interest Rate (%)
- Compounding Frequency
- Number of Years
- Additional Monthly Contribution ($)
Formula Used
A = P × (1 + r/n)^(n×t)
where P = principal, r = annual rate, n = compounds per year, t = years (plus future value of any monthly contributions)
Example Calculation
Using example inputs — Initial Principal = 5000 $; Annual Interest Rate = 6 %; Compounding Frequency = 12; Number of Years = 10; Additional Monthly Contribution = 0 $ — the Compound Interest Calculator returns:
| Value | Result |
|---|---|
| Balance from principal | $9,096.98 |
| Balance from contributions | $0.00 |
| Total contributed | $5,000.00 |
| Total interest earned | $4,096.98 |
$9,096.98. Grown from $5,000.00 over 10 years.
Helpful Information
Results from the Compound Interest Calculator are estimates based on standard formulas used in the finance calculators field. For projects with significant cost, health, or safety implications, consider verifying results with a qualified professional.