Convert Tuns to Imperial Gallons
Convert Tuns (tun) to Imperial Gallons (UK gal) instantly and accurately.
Conversion Formula
UK gal = tun × 209.8338945
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.
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.
Quick Reference Table
| Tuns (tun) | Imperial Gallons (UK gal) |
|---|---|
| 1 tun | 209.834 UK gal |
| 2 tun | 419.668 UK gal |
| 5 tun | 1049.17 UK gal |
| 10 tun | 2098.34 UK gal |
| 25 tun | 5245.85 UK gal |
| 50 tun | 10491.7 UK gal |
| 100 tun | 20983.4 UK gal |