Convert Fluid Drams to Cups
Convert Fluid Drams (fl dr) to Cups (cup) instantly and accurately.
Conversion Formula
cup = fl dr × 0.015625
About Fluid Drams
A fluid dram (fl dr, also 'drachm') = 1/8 fl oz ≈ 3.697 mL. Used by apothecaries for precise medicinal compounding; a fluid dram divided into 60 minims. Largely superseded by millilitres but still appears in traditional compounding recipes, older US pharmacopeias, and historical medical literature. 1 fl dr ≈ 3.697 mL.
About Cups
A cup = 8 fl oz = 16 tbsp ≈ 236.6 mL - the fundamental unit of American cooking. Almost every US recipe uses cups for dry and liquid ingredients. The US customary cup (236.588 mL) differs from the US legal cup (240 mL, used in nutrition labelling) and the metric cup (Australia/Canada: 250 mL). Kitchen sets come in 1/4, 1/3, 1/2, and 1 cup sizes. 2 cups = 1 US pint.
Quick Reference Table
| Fluid Drams (fl dr) | Cups (cup) |
|---|---|
| 1 fl dr | 0.015625 cup |
| 2 fl dr | 0.03125 cup |
| 5 fl dr | 0.078125 cup |
| 10 fl dr | 0.15625 cup |
| 25 fl dr | 0.390625 cup |
| 50 fl dr | 0.78125 cup |
| 100 fl dr | 1.5625 cup |