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Compound Interest Calculator — See Your Money Grow

$
%
$
$0
Final Balance
$0
Interest Earned
$0
Total Invested
🟡 Principal🟢 Contributions🔵 Interest

Formula

A = P × (1 + r/n)^(nt)

Where: A = Final amount, P = Principal, r = Annual rate, n = Compounding frequency, t = Time in years

How It Works

Enter principal, interest rate, time period, compounding frequency, and optional monthly contribution. Click Calculate to see your final balance and interest breakdown.

How to Use

  1. Enter your initial investment amount
  2. Enter annual interest rate
  3. Enter time period in years
  4. Select compounding frequency
  5. Add monthly contribution (optional)
  6. Click Calculate