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Compound Interest Calculator

Calculate compound interest on investments, loans, and savings with detailed compounding schedules. See how your money grows over time.

Compound Interest Calculator
A = P(1 + r/n)nt
Where:
A = Future Value P = Principal r = Rate (%) n = Compounds/year t = Time (years)
Principal (P)
$
Initial investment/loan
Annual Rate (r)
%
Annual interest rate
Compounding (n)
Compounds per year
Time (t)
years
Investment period
Additional Options

Compound Interest Examples

$1,000 at 5% for 10 years (Annual)
$1,628.89
$1,000 at 5% for 10 years (Monthly)
$1,647.01
$1,000 at 5% with $100/month for 10 years
$15,528.23
$10,000 at 7% for 20 years (Quarterly)
$40,255.30