Convert Fluid Drams to Hogsheads
Convert Fluid Drams (fl dr) to Hogsheads (hhd) instantly and accurately.
Conversion Formula
hhd = fl dr × 1.550099206e-5
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 Largely superseded by millilitres but still appears in traditional compounding recipes, older US pharmacopeias, and historical medical literature. 1 fl dr ≈ 3.697 mL.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 Hogsheads
A hogshead (hhd) = 63 US gallons ≈ 238.5 L - used in the spirits industry for maturing whiskey. Kentucky bourbon distilleries use hogsheads (63 gal) alongside standard barrels (53 gal); Scotch and Irish traders deal in hogsheads of maturing spirit. Colonial Virginia tobacco shipping records and 17th-19th-century trade manifests routinely quoted hogsheads. 1 hhd = 63 US gal ≈ 238.5 L.
Quick Reference Table
| Fluid Drams (fl dr) | Hogsheads (hhd) |
|---|---|
| 1 fl dr | 1.55 × 10-5 hhd |
| 2 fl dr | 3.1 × 10-5 hhd |
| 5 fl dr | 7.75 × 10-5 hhd |
| 10 fl dr | 0.00015501 hhd |
| 25 fl dr | 0.000387525 hhd |
| 50 fl dr | 0.00077505 hhd |
| 100 fl dr | 0.0015501 hhd |