Convert Fluid Drams to Tuns
Convert Fluid Drams (fl dr) to Tuns (tun) instantly and accurately.
Conversion Formula
tun = fl dr × 3.875248016e-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 Largely superseded by millilitres but still appears in traditional compounding recipes, older US pharmacopeias, and historical medical literature. 1 fl dr ≈ 3.697 mL.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 Tuns
A tun = 4 hogsheads = 252 US gallons ≈ 953.9 L - the largest traditional wine cask and origin of the English word 'ton': a full tun of wine weighed ~1 long ton. English shipping law rated cargo capacity in 'tuns burden'. Scottish distilleries use 'tun rooms' for large vatting/blending vats. 1 tun = 252 US gal = 2 pipes = 4 hogsheads ≈ 953.9 L.
Quick Reference Table
| Fluid Drams (fl dr) | Tuns (tun) |
|---|---|
| 1 fl dr | 3.875 × 10-6 tun |
| 2 fl dr | 7.75 × 10-6 tun |
| 5 fl dr | 1.938 × 10-5 tun |
| 10 fl dr | 3.875 × 10-5 tun |
| 25 fl dr | 9.688 × 10-5 tun |
| 50 fl dr | 0.000193762 tun |
| 100 fl dr | 0.000387525 tun |