CalculatorsHow Compound Interest Works
Compound interest is the process of earning returns on both your original money and prior gains.
Educational only — not financial advice
Compound interest is simple but powerful. Money can grow faster when returns are reinvested and contributions continue.
The key inputs
- Starting amount
- Contribution amount
- Return assumption
- Time horizon
- Fees and taxes
Small assumption changes can create very different results over long periods.
