This section is from the book "Laboratory Manual Of Pharmacology", by A. D. Bush. Also available from Amazon: Laboratory manual of pharmacology.
Milligram | Grains | Approx. | Milligram | Grains | Approx. | Milligram | Grains | Approx. |
0.1 | 0.00154 | 1/648 | 1 | 0.01543 | 1/65 | 10 | 0.15432 | 2/l3 |
0.2 | 0.00309 | 1/324 | 2 | 0.03086 | 1/33 | 20 | 0.30865 | 10/33 |
0.3 | 0.00463 | 1/216 | 3 | 0.04630 | 1/22 | 30 | 0.46297 | 5/11 |
0.4 | 0.00617 | 1/162 | 4 | 0.06173 | 1/16 | 40 | 0.61729 | 5/8 |
0.5 | 0.00772 | 1/130 | 5 | 0.07716 | 1/13 | 50 | 0.77162 | 23/30 |
0.6 | 0.00926 | 1/108 | 6 | 0.09259 | 1/11 | 60 | 0.92594 | 12/l3 |
0.7 | 0.01080 | 1/93 | 7 | 0.10803 | 2/19 | 70 | 1.08026 | 11/12 |
0.8 | 0.01235 | 1/81 | 8 | 0.12346 | 1/8 | 80 | 1.23459 | 11/4 |
0.9 | 0.01389 | 1/72 | 9 | 0.13889 | 1/7 | 90 | 1.38891 | 13/8 |
1.0 | 0.01543 | 1/65 | 10 | 0.15432 | 2/l3 | 100 | 1.54324 | 11/2 |
Milligram | Grains | Approx. | Gm. | Grains | Gm. | Avoirdupois oz. + grains | Apothecaries' oz. + grains | ||
100 | 1.54324 | 1 1/2 | 1 | 15.4324 | 10 | 0 | 154.3 | 0 | 154.3 |
200 | 3.08647 | 3 | 2 | 30.8647 | 20 | 0 | 308.6 | 0 | 308.6 |
300 | 4.62971 | 4% | 3 | 46.2971 | 30 | 1 | 25.5 | 0 | 462.9 |
400 | 6.17294 | 6% | 4 | 61.7294 | 40 | 1 | 179.8 | 1 | 137.3 |
500 | 7.71618 | 7% | 5 | 77.1618 | 50 | 1 | 334.1 | 1 | 291.6 |
600 | 9.25941 | 9 1/4 | 6 | 92.5941 | 60 | 2 | 50.9 | 1 | 445.9 |
700 | 10.80265 | 10 4/5 | 7 | 108.0265 | 70 | 2 | 205.3 | 2 | 120.3 |
800 | 12.34589 | 12 1/3 | 8 | 123.4859 | 80 | 2 | 359.6 | 2 | 274.6 |
900 | 13.88912 | 13% | 9 | 138.8912 | 90 | 3 | 76.4 | 2 | 428.9 |
1000 | 15.43236 | 15 1/2 | 10 | 154.3236 | 100 | 3 | 230.7 | 3 | 103.2 |
Volumes:
Mils | Equivalent | Mils | Equivalent | Mils | Equivalent | |||
minims | fl. oz. | minims | pint | fl. oz. | minims | |||
1 | 16.231 | 10 | 0 | 162.3 | 100 | 0 | 3 | 183.1 |
2 | 32.462 | 20 | 0 | 324.6 | 200 | 0 | 6 | 366.2 |
3 | 48.693 | 30 | 1 | 6.9 | 300 | 0 | 10 | 69.3 |
4 | 64.924 | 40 | 1 | 169.2 | 400 | 0 | 13 | 252.4 |
5 | 81.156 | 50 | 1 | 331.6 | 500 | 0 | 435.6 | |
6 | 97.387 | 60 | 2 | 13.9 | 600 | 4 | 138.7 | |
7 | 113.618 | 70 | 2 | 176.2 | 700 | 7 | 321.8 | |
8 | 129.849 | 80 | 2 | 338.5 | 800 | 11 | 24.9 | |
9 | 146.080 | 90 | 3 | 20.8 | 900 | 14 | 208.0 | |
10 | 162.311 | 100 | 3 | 183.1 | 1000 | 2 | 1 | 391.1 |
Adapted from the United States Pharmacopeia, IXth ed.
 
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