This section is from the "Henley's Twentieth Century Formulas Recipes Processes" encyclopedia, by Norman W. Henley and others.
The following table, which contains no error greater than one-tenth of a grain, will suffice for most practical purposes:
1 gram = | 15.4 grains |
2 grams = | 30.8 grains |
3 grams = | 46.2 grains |
4 grams = | 61.8 grains, or 1 drachm, 1.8 grains |
5 grams = | 77.2 grains, or 1 drachm, 17.2 grains |
6 grams = | 92.6 grains, or 1 drachm, 32.6 grains |
7 grams = | 108 grains, or 1 drachm, 48 grains |
8 grams = | 123.4 grains, or 2 drachms, 3.4 grains |
9 grams= | 138.8 grains, or 2 drachms, 18.8 grains |
10 grams = | 154.4 grains, or 2 drachms, 34.4 grains |
11 grams = | 169.8 grains, or 2 drachms, 49.8 grains |
12 grams = | 185.2 grains, or 3 drachms, 5.2 grains |
13 grams = | 200.6 grains, or 3 drachms, 20f grains |
14 grams = | 216 grains, or 3 drachms, 36 grains |
15 grams = | 231.4 grains, or 3 drachms, 51.4 grains |
16 grams = | 247 grains, or 4 drachms, 7 grains |
17 grams = | 262.4 grains, or 4 drachms, 22.4 grains |
18 grams= | 277.8 grains, or 4 drachms, 37.8 grains |
19 grams = | 293.2 grains, or 4 drachms, 53.2 grains |
20 grams = | 308.6 grains, or 5 drachms, 8.6 grains |
30 grams — | 463 grains, or 7 drachms, 43 grains |
40 grams == | 617.2 grains, or 10 drachms, 17.2 grains |
50 grams = | 771.6 grains, or 12 drachms, 51.6 grains |
60 grams = | 926 grains, or 15 drachms, 26 grains |
70 grams — | 1,080.2 grains, or 18 drachms, 0.2 grains |
80 grams = | 1,234.6 grains, or 20 drachms, 34.6 grains |
90 grams = | 1,389 grains, or 23 drachms, 9 grains |
100 grams = | 1,543.2 grains, or 25 drachms, 43.2 grains |
1,000 grams = | 1 kilogram=32 ounces, 1 drachm, 12.4 grains |
 
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