$1 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 $1 will have grown to $1,470.
You will have earned $1,469 in interest.
How much will savings of $1 be worth in 40 years if invested at a 20.00% interest rate?
This calculator determines the future value of $1 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 $1 at 20% Interest
| Year | Amount |
|---|---|
| 0 | $1.00 |
| 1 | $1.20 |
| 2 | $1.44 |
| 3 | $1.73 |
| 4 | $2.07 |
| 5 | $2.49 |
| 6 | $2.99 |
| 7 | $3.58 |
| 8 | $4.30 |
| 9 | $5.16 |
| 10 | $6.19 |
| 11 | $7.43 |
| 12 | $8.92 |
| 13 | $10.70 |
| 14 | $12.84 |
| 15 | $15.41 |
| 16 | $18.49 |
| 17 | $22.19 |
| 18 | $26.62 |
| 19 | $31.95 |
| 20 | $38.34 |
| 21 | $46.01 |
| 22 | $55.21 |
| 23 | $66.25 |
| 24 | $79.50 |
| 25 | $95.40 |
| 26 | $114.48 |
| 27 | $137.37 |
| 28 | $164.84 |
| 29 | $197.81 |
| 30 | $237.38 |
| 31 | $284.85 |
| 32 | $341.82 |
| 33 | $410.19 |
| 34 | $492.22 |
| 35 | $590.67 |
| 36 | $708.80 |
| 37 | $850.56 |
| 38 | $1,021 |
| 39 | $1,225 |
| 40 | $1,470 |
$1 for 40 Years by Interest Rate
| Rate | Amount |
|---|---|
| 1% | $1.49 |
| 2% | $2.21 |
| 3% | $3.26 |
| 4% | $4.80 |
| 5% | $7.04 |
| 6% | $10.29 |
| 8% | $21.72 |
| 10% | $45.26 |
| 12% | $93.05 |
| 15% | $267.86 |
| 20% | $1,470 |