$3 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 $3 will have grown to $4,409.
You will have earned $4,406 in interest.
How much will savings of $3 be worth in 40 years if invested at a 20.00% interest rate?
This calculator determines the future value of $3 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 $3 at 20% Interest
| Year | Amount |
|---|---|
| 0 | $3.00 |
| 1 | $3.60 |
| 2 | $4.32 |
| 3 | $5.18 |
| 4 | $6.22 |
| 5 | $7.46 |
| 6 | $8.96 |
| 7 | $10.75 |
| 8 | $12.90 |
| 9 | $15.48 |
| 10 | $18.58 |
| 11 | $22.29 |
| 12 | $26.75 |
| 13 | $32.10 |
| 14 | $38.52 |
| 15 | $46.22 |
| 16 | $55.47 |
| 17 | $66.56 |
| 18 | $79.87 |
| 19 | $95.84 |
| 20 | $115.01 |
| 21 | $138.02 |
| 22 | $165.62 |
| 23 | $198.74 |
| 24 | $238.49 |
| 25 | $286.19 |
| 26 | $343.43 |
| 27 | $412.11 |
| 28 | $494.53 |
| 29 | $593.44 |
| 30 | $712.13 |
| 31 | $854.55 |
| 32 | $1,025 |
| 33 | $1,231 |
| 34 | $1,477 |
| 35 | $1,772 |
| 36 | $2,126 |
| 37 | $2,552 |
| 38 | $3,062 |
| 39 | $3,674 |
| 40 | $4,409 |
$3 for 40 Years by Interest Rate
| Rate | Amount |
|---|---|
| 1% | $4.47 |
| 2% | $6.62 |
| 3% | $9.79 |
| 4% | $14.40 |
| 5% | $21.12 |
| 6% | $30.86 |
| 8% | $65.17 |
| 10% | $135.78 |
| 12% | $279.15 |
| 15% | $803.59 |
| 20% | $4,409 |