Compound Interest Calculator
See how your starting balance and recurring deposits compound over time. Adjust the compounding frequency to match your account.
How to use this tool
- Starting balanceEnter your current investment balance or initial deposit.
- Monthly contributionAdd the amount you plan to contribute each month. Leave zero if you are not adding more money.
- Annual return (%)Enter your expected average yearly rate of return before fees.
- Years investedSet how long you will keep the money invested.
- Compounding frequencyChoose how often interest is compounded—annually, quarterly, monthly, or daily.
- Annual contribution increase (%)If you plan to raise contributions each year, enter the yearly percentage bump. Leave at 0% to keep payments flat.
Click Calculate growth to forecast your ending balance, total contributions, and interest earned. Reset clears your inputs.
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