Roman Weights and Measures
Below are some of the commonest Roman weights and measures used in the De Re Coquinaria with their Imperial and metric equivalents.
| Roman Measures | Imperial Equivalent | Metric Equivalent |
| libra [Roman pound] | 0.75 pound | 327g |
| semilibra [half Roman pound] | 0.375 pound | 163.5g |
| unica [Roman ounce] | 0.96 ounce | 27g |
| scripulum [Roman scruple] | 1/24 ounce | 1.136g |
| six scruples | 1 tsp | 5ml |
| sextarius [Roman pint] | 0.96 pints | 540ml |
| hemina [Roman half pint] | 0.48 pints | 270ml |
| quartarius [Roman quarter pint] | 0.24 pints | 135ml |
| acetabulum [1/8 Roman pint] | 0.12 pints | 67.5ml |
| cyanthus [1/12 Roman pint] | 0.08 pints | 45ml |
| coclearum [literally: "snail's shell"] | 1 tsp | 5ml |
| coclearum dimidium [half a snail's shell] | 1/2 tsp | 2.5ml |
