| UNIT | SYMBOL | WEIGHT |
|---|---|---|
| *The GRAIN is the basic unit of WEIGHT. | ||
| Grain | gr | -- |
| Dram | 3 | 60 grains |
| Ounce | 3 or oz | 8 drams |
| Pound | lb | 16 ounces |
| UNIT | SYMBOL | VOLUME |
|---|---|---|
| *The MINIM is the basic unit of VOLUME. | ||
| Minim | m or min | 1 drop of water |
| Fluidram | f3 | 60 minims |
| Fluidounce | f3 | 8 fluidrams |
| Pint | pt or O | 16 fluidounces |
| Quart | qt | 2 pints |
| Gallon | gal or C | 4 quarts |