Compound Interest Calculator

Calculate future value of investments with compound interest.

Initial Investment ($)

Monthly Contribution ($)

Annual Interest Rate (%)

Years to Grow

Compounding Frequency

Results

Click calculate to see your investment growth.

About Compound Interest Calculator

See how your money grows over time with compound interest. Calculate future value with initial investment, regular contributions, and compounding frequency.

How to Use

1
Enter initial investment
Input your starting balance.
2
Add contributions
Enter any regular monthly additions you plan to make.
3
Set growth factors
Input the expected interest rate and timeframe.

Examples

Investment Growth

Input: $10k initial, $500/mo, 8% interest, 10 years

Output: $113,832.22

Frequently Asked Questions

What is compound interest?

Compound interest is the interest on a deposit calculated based on both the initial principal and the accumulated interest from previous periods.

How does compounding frequency affect returns?

The more frequently interest compounds (e.g., daily vs. annually), the more your money grows over time.