$1,000 at 10% for 20 Years
$1,000 invested at 10% a year grows to $6,727 after 20 years. That is $5,727 of interest.
Final balance
$6,727
compounded yearly
With monthly compounding
$7,328
Total interest
$5,727
573% growth
Money doubles every
7.3 years
Year by year
| Year | Balance | Interest that year | Total interest |
|---|---|---|---|
| 0 | $1,000 | $0 | $0 |
| 1 | $1,100 | $100 | $100 |
| 2 | $1,210 | $110 | $210 |
| 3 | $1,331 | $121 | $331 |
| 4 | $1,464 | $133 | $464 |
| 5 | $1,611 | $146 | $611 |
| 6 | $1,772 | $161 | $772 |
| 7 | $1,949 | $177 | $949 |
| 8 | $2,144 | $195 | $1,144 |
| 9 | $2,358 | $214 | $1,358 |
| 10 | $2,594 | $236 | $1,594 |
| 11 | $2,853 | $259 | $1,853 |
| 12 | $3,138 | $285 | $2,138 |
| 13 | $3,452 | $314 | $2,452 |
| 14 | $3,797 | $345 | $2,797 |
| 15 | $4,177 | $380 | $3,177 |
| 16 | $4,595 | $418 | $3,595 |
| 17 | $5,054 | $459 | $4,054 |
| 18 | $5,560 | $505 | $4,560 |
| 19 | $6,116 | $556 | $5,116 |
| 20 | $6,727 | $612 | $5,727 |
What this shows
In year one the interest is $100. In the final year it is $612.
Same rate, same starting amount. The difference is compounding.
Add regular deposits or change any number in the compound interest calculator.
Change one thing
Other rates for $1,000 over 20 years
Other time frames for $1,000 at 10%
Other amounts at 10% for 20 years
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