Compound interest on 1,000 at 7% for 30 years
Investing 1,000 at 7% per year, compounded monthly, grows to 8,116.5 after 30 years — 7,116.5 in interest.
Grows to 8,116.5
Advertisement
Ad space (in-content)
Full breakdown
| Future value (monthly compounding) | 8,116.5 |
| Interest earned | 7,116.5 |
| Growth multiple | 8.12× |
| Same with simple interest | 3,100 |
| Extra from compounding | 5,016.5 |
Step-by-step working
- Monthly rate = 7% ÷ 12 = 0.5833%
- Periods = 30 × 12 = 360
- A = 1000 × (1 + 0.005833)^360 = 8,116.5
A = P × (1 + r/n)^(n·t), n = 12
Try your own numbers with the Compound Interest Calculator.
