Investments / CALCULATOR
Compound Interest
Explore compounding over time.
How this works
A = P × (1 + r ÷ (100 × n))^(n × t)
P = principal, r = annual rate, t = years, n = compounding frequency per year (e.g. 4 = quarterly). Interest earned in each period is added to the principal before the next period is calculated.
Amounts are rounded for display; calculations use full precision. This utility is for planning and is not financial advice.