$8 at 20% Interest for 40 Years
How much money will your investment be worth if you let the interest grow?
Amount
$
Interest Rate
%
Years to Invest
After investing for 40 years at 20% interest, your initial investment of $8 will have grown to $11,758.
You will have earned $11,750 in interest.
How much will savings of $8 be worth in 40 years if invested at a 20.00% interest rate?
This calculator determines the future value of $8 invested for 40 years at a constant yield of 20.00% compounded annually.
Did Albert Einstein really say "Compound interest is the most powerful force in the universe?"
According to Snopes, the answer is probably not.
Nevertheless, investing money consistently over a long period of time has made many people very rich.
Growth of $8 at 20% Interest
| Year | Amount |
|---|---|
| 0 | $8.00 |
| 1 | $9.60 |
| 2 | $11.52 |
| 3 | $13.82 |
| 4 | $16.59 |
| 5 | $19.91 |
| 6 | $23.89 |
| 7 | $28.67 |
| 8 | $34.40 |
| 9 | $41.28 |
| 10 | $49.53 |
| 11 | $59.44 |
| 12 | $71.33 |
| 13 | $85.59 |
| 14 | $102.71 |
| 15 | $123.26 |
| 16 | $147.91 |
| 17 | $177.49 |
| 18 | $212.99 |
| 19 | $255.58 |
| 20 | $306.70 |
| 21 | $368.04 |
| 22 | $441.65 |
| 23 | $529.98 |
| 24 | $635.97 |
| 25 | $763.17 |
| 26 | $915.80 |
| 27 | $1,099 |
| 28 | $1,319 |
| 29 | $1,583 |
| 30 | $1,899 |
| 31 | $2,279 |
| 32 | $2,735 |
| 33 | $3,281 |
| 34 | $3,938 |
| 35 | $4,725 |
| 36 | $5,670 |
| 37 | $6,804 |
| 38 | $8,165 |
| 39 | $9,798 |
| 40 | $11,758 |
$8 for 40 Years by Interest Rate
| Rate | Amount |
|---|---|
| 1% | $11.91 |
| 2% | $17.66 |
| 3% | $26.10 |
| 4% | $38.41 |
| 5% | $56.32 |
| 6% | $82.29 |
| 8% | $173.80 |
| 10% | $362.07 |
| 12% | $744.41 |
| 15% | $2,143 |
| 20% | $11,758 |