Compound Interest Calculator
Simulate the growth of your investments with interactive charts and detailed analysis
Simple Simulation
Calculate basic compound interest with periodic contributions.
- Initial principal and interest rate
- Flexible compounding frequency
- Periodic contributions
- Interactive growth charts
Complex Simulation
Advanced analysis with inflation, taxes, and Monte Carlo.
- Monthly contributions with annual increase
- Inflation adjustment
- Tax calculation on gains
- Monte Carlo analysis with percentiles
The Compound Interest Formula
A = P × (1 + r/n)nt
A – Final amount
P – Initial principal
r – Annual rate
n, t – Frequency and time