Convert Fluid Drams to Pipes
Convert Fluid Drams (fl dr) to Pipes (pipe) instantly and accurately.
Conversion Formula
pipe = fl dr × 7.750496032e-6
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 Largely superseded by millilitres but still appears in traditional compounding recipes, older US pharmacopeias, and historical medical literature. 1 fl dr ≈ 3.697 mL.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 Pipes
A pipe (also called a butt) = 2 hogsheads = 126 US gallons ≈ 477 L. The traditional ageing vessel for Port and Madeira: Port lodges in Vila Nova de Gaia store hundreds of thousands of pipes of Tawny, Ruby, and Vintage Port. Sherry butts (identical vessel) hold ~600 L. Craft American distilleries use pipes for extended whiskey maturation. 1 pipe = 126 US gal ≈ 477 L.
Quick Reference Table
| Fluid Drams (fl dr) | Pipes (pipe) |
|---|---|
| 1 fl dr | 7.75 × 10-6 pipe |
| 2 fl dr | 1.55 × 10-5 pipe |
| 5 fl dr | 3.875 × 10-5 pipe |
| 10 fl dr | 7.75 × 10-5 pipe |
| 25 fl dr | 0.000193762 pipe |
| 50 fl dr | 0.000387525 pipe |
| 100 fl dr | 0.00077505 pipe |