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Compound Interest Calculator
Calculate compound interest with additional contributions. See how your money grows over time with different compounding frequencies.
Enter Investment Details
About Compound Interest
Compound interest is the interest calculated on the initial principal and the accumulated interest from previous periods. It's often called "interest on interest" and can significantly increase your investment over time.
Compound Interest Formula:
A = P(1 + r/n)^(nt)
Where A = Final Amount, P = Principal, r = Interest Rate, n = Compounding Frequency, t = Time
Key Benefits:
- Exponential growth over time
- Interest earns interest
- Higher returns with more frequent compounding
- Powerful for long-term investments
- Time is your greatest ally