$400 at 12% interest for 40 years

How much money will your investment be worth if you let the interest grow?
$
%
After investing for 40 years at 12% interest, your $400 investment will have grown to $37,220

How much will savings of $400 be worth in 40 years if invested at a 12.00% interest rate?

This calculator determines the future value of $400 invested for 40 years at a constant yield of 12.00% 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.
Growth of $400 at 12% Interest
Year Amount
0 $400.00
1 $448.00
2 $501.76
3 $561.97
4 $629.41
5 $704.94
6 $789.53
7 $884.27
8 $990.39
9 $1,109
10 $1,242
11 $1,391
12 $1,558
13 $1,745
14 $1,955
15 $2,189
16 $2,452
17 $2,746
18 $3,076
19 $3,445
20 $3,859
21 $4,322
22 $4,840
23 $5,421
24 $6,071
25 $6,800
26 $7,616
27 $8,530
28 $9,554
29 $10,700
30 $11,984
31 $13,422
32 $15,033
33 $16,837
34 $18,857
35 $21,120
36 $23,654
37 $26,493
38 $29,672
39 $33,232
40 $37,220
$400 for 40 Years by Interest Rate
Rate Amount
1% $595.55
2% $883.22
3% $1,305
4% $1,920
5% $2,816
6% $4,114
8% $8,690
10% $18,104
12% $37,220
15% $107,145
20% $587,909