These systems are no longer in use, but were used in various forms for centuries.
| Unit | pound (℔) | ounce (℥) | dram (ʒ) | scruple (℈) | grain (gr) |
|---|---|---|---|---|---|
| 1 ℔ | 12 ℥ | 96 ʒ | 288 ℈ | 5,760 gr | |
| 1 ℥ | 8 ʒ | 24 ℈ | 480 gr | ||
| 1 ʒ | 3 ℈ | 60 gr | |||
| 1 ℈ | 20 gr | ||||
| Metric Equivalent(approx.) | 373 g | 31.1 g | 3.9 g | 1.3 g | 64.8 mg |
| Unit | liquid pint | fluid ounce | fluid dram | fluid scruple | minim |
|---|---|---|---|---|---|
| 1 liq pt | 16 f℥ | 128 fʒ | 384 f℈ | 7,680 ♏ | |
| 1 f℥ | 8 fʒ | 24 f℈ | 480 ♏ | ||
| 1 fʒ | 3 f℈ | 60 ♏ | |||
| 1 f℈ | 20 ♏ | ||||
| Metric Equivalent(approx.) | 473 ml | 29.60 ml | 3.70 ml | 1.23 ml | 0.06 ml |