Compound Interest Calculator
Simulate long-term compound growth — the 8th wonder of the world.
Power of Compounding
- Formula: FV = PV × (1+r)^n + PMT × [((1+r)^n - 1) / r]
- Rule of 72: Years to double ≈ 72 ÷ Annual Return.
- Key: Start early, invest consistently, choose reasonable returns.