FINANCE
Monthly Compound Interest Calculator
Calculate growth when each month's return is added to the balance for the next month.
Formula: Principal compounded at 5% monthly for 12 months
= $1,000.00 × (1.050)^12- Initial principal
- $1,000.00
- Total after 12 months
- $1,795.86
- Profit excluding principal
- $795.86
- Cumulative return
- 79.59%
- Total vs. principal
- 1.80×
Each month's return is added to the principal, and the next month is calculated from the combined balance.
▦ MORE TOOLS