This section is from the book "Manual Of Useful Information", by J. C Thomas. Also available from Amazon: Manual of useful Information.
Per Cent. | Simple Interest. | Compound Int. | Per Cent. | Simple Interest. | Compound Int. | |
2 | 50 years. | 35 years. | 5 | 20 years. | 14 years 75 days. | |
2½ | 40 years. | 28 years 26 days. | 6 | 16 years 8 months. | 11 years 327 days. | |
3 | 33 years 4 montns. | 23 years 164 days. | 7 | 14 years 104 days. | 10 years 89 days. | |
3½ | 28 years 208 days. | 20 years 54 days. | 8 | 12½ years. | 9 years 2 days. | |
4 | 25 years. | 17 years 246 days. | 9 | 11 years 40 days. | 8 years 16 days. | |
4½ | 22 years 81 days. | 15 years 273 days. | 10 | 10 years. | 7 years 100days. |
Daily Savings At Compound Interest. | |||
Daily Savings. | Yearly. | Ten Years. | Fifty Years. |
2 3/4 cents | $ 10 | $ 130 | $ 2,900 |
5 1/4 " | 20 | 260 | 5,800 |
8 1/4 " | 30 | 390 | 8,700 |
11 " | 40 | 520 | 11,600 |
13 3/4 " | 50 | 650 | 14,500 |
27 1/2 " | 100 | 1.300 | 29 000 |
55 " | 200 | 2,600 | 58,000 |
$1.10 | 400 | 5,200 | 116,000 |
1.37 | 500 | 6.500 | •145.000 |
2.74 | 1,000 | 13,000 | 290,000 |
How Compound Interest Accumulates. If one dollar be invested and the interest added to the principal, annually, at the rates named, we shall have the following result as the accumulation of one hundred years:
One dollar 100 years, at 1 per cent | $2.75 | ||
" | " | 2 " ....................................... | 7.25 |
" | " | 2 1/2 " | 11.75 |
" | " | 3 " | 19.25 |
" | " | 31/2 " | 31.25 |
" | " | 4 " | 50.50 |
" | " | 4l/2 " ...................................... | 81.50 |
" | " | 5 " | 131.50 |
" | " | 6 " ....................................... | 340.00 |
" | " | 7 " ...................................... | 868.00 |
" | " | 8 " ........................................ | 2,203.00 |
" | " | 9 " ....................................... | 5,543.00 |
" | " | 10 " ........................................ | 13,809.00 |
" | " | 12 " | 34,675.00 |
" | " | 15 " ....................................... | 1,174,405.00 |
" | " | 18 " | 15,145,007.00 |
" | " | 24 " ....................................... | 2,551,799,404.00 |
 
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