Compound interest calculator
Calculate compound interest with monthly contributions and see the final balance, the amount invested and the interest earned, with a month-by-month table.
- Optional monthly contributions
- Month-by-month table with balance growth
- Calculated in your browser, no sign-up
- Total invested
- $2,200.00
- Interest earned
- $195.08
- Term
- 12 months
- Effective monthly rate
- 1.00%
- Return over the period
- 8.87%
Month-by-month growth
| Month | Invested | Interest | Total |
|---|---|---|---|
| 0 | $1,000.00 | $0.00 | $1,000.00 |
| 1 | $1,100.00 | $10.00 | $1,110.00 |
| 2 | $1,200.00 | $21.10 | $1,221.10 |
| 3 | $1,300.00 | $33.31 | $1,333.31 |
| 4 | $1,400.00 | $46.64 | $1,446.64 |
| 5 | $1,500.00 | $61.11 | $1,561.11 |
| 6 | $1,600.00 | $76.72 | $1,676.72 |
| 7 | $1,700.00 | $93.49 | $1,793.49 |
| 8 | $1,800.00 | $111.42 | $1,911.42 |
| 9 | $1,900.00 | $130.54 | $2,030.54 |
| 10 | $2,000.00 | $150.84 | $2,150.84 |
| 11 | $2,100.00 | $172.35 | $2,272.35 |
| 12 | $2,200.00 | $195.08 | $2,395.08 |