Convert Imperial Gallons to Tuns
Convert Imperial Gallons (UK gal) to Tuns (tun) instantly and accurately.
Conversion Formula
tun = UK gal × 0.004765674308
About Imperial Gallons
A US imperial gallon (UK gal) = exactly 8 imperial pints or 10 lb of pure water at 62°F ≈ 4.546 L - about 20% larger than the US liquid gallon (3.785 L). The weight-based definition made it verifiable with simple scales. Still the legal fuel measure in the Cayman Islands and other British Overseas Territories. UK mpg ratings use imperial gallons: 50 UK mpg ≈ 42 US mpg. 1 UK gal ≈ 4.546 L.
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
| Imperial Gallons (UK gal) | Tuns (tun) |
|---|---|
| 1 UK gal | 0.00476567 tun |
| 2 UK gal | 0.00953135 tun |
| 5 UK gal | 0.0238284 tun |
| 10 UK gal | 0.0476567 tun |
| 25 UK gal | 0.119142 tun |
| 50 UK gal | 0.238284 tun |
| 100 UK gal | 0.476567 tun |