Compound Interest Calculator
Calculate how much your investment will grow with compound interest. Enter the principal, annual rate, and time period.
Example
$1,000 at 5% annual interest for 10 years = $1,628.89
How it works
Formula: A = P × (1 + r/n)^(n×t). The power of compound interest is that interest earns interest over time.
Frequently Asked Questions
What is compound interest?
Compound interest is interest calculated on the initial principal plus all previously accumulated interest. It makes your money grow faster over time.
What is the compound interest formula?
A = P × (1 + r/n)^(n×t), where P = principal, r = annual rate, n = compounding periods per year, t = years.