Compound interest on 1,000 at 3% for 5 years
Investing 1,000 at 3% per year, compounded monthly, grows to 1,161.62 after 5 years — 161.62 in interest.
Grows to 1,161.62
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Full breakdown
| Future value (monthly compounding) | 1,161.62 |
| Interest earned | 161.62 |
| Growth multiple | 1.16× |
| Same with simple interest | 1,150 |
| Extra from compounding | 11.62 |
Step-by-step working
- Monthly rate = 3% ÷ 12 = 0.2500%
- Periods = 5 × 12 = 60
- A = 1000 × (1 + 0.002500)^60 = 1,161.62
A = P × (1 + r/n)^(n·t), n = 12
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