$1,000 Invested at 1% for 3 Years
$1,030.44
Future Value (compounded monthly)
$1,000 invested at 1% annual compound interest (compounded monthly) for 3 years will grow to $1,030.44. You earn $30.44 in interest. At 1%, your money doubles in approximately 72 years (Rule of 72).
Year-by-Year Growth
| Year | Balance | Interest |
|---|---|---|
| 1 | $1,010.05 | $10.05 |
| 2 | $1,020.19 | $20.19 |
| 3 | $1,030.44 | $30.44 |
Quick Reference Table
| Principal | Rate | Years | Future Value |
|---|---|---|---|
| $1,000 | 2% | 3 yrs | $1,061.78 |
| $1,000 | 3% | 3 yrs | $1,094.05 |
| $1,000 | 1% | 1 yrs | $1,010.05 |
| $1,000 | 1% | 2 yrs | $1,020.19 |
| $1,000 | 1% | 5 yrs | $1,051.25 |
| $1,000 | 1% | 7 yrs | $1,072.48 |
| $1,000 | 1% | 10 yrs | $1,105.12 |
| $1,000 | 1% | 15 yrs | $1,161.76 |
Formula Used
A = P(1 + r/n)nt
- P = $1,000
- r = 1% = 0.01
- n = 12 (monthly)
- t = 3 years
- A = $1,030.44
Frequently Asked Questions
How much will $1,000 grow at 1% compound interest in 3 years?
$1,000 grows to $1,030.44. Interest earned: $30.44.
How long to double $1,000 at 1%?
Using the Rule of 72: 72 ÷ 1 ≈ 72 years.
What is the compound interest formula?
A = P(1 + r/n)^(nt). P=$1,000, r=1%=0.01, n=12, t=3.