Convert Imperial Gallons to Cubic Feet
Convert Imperial Gallons (UK gal) to Cubic Feet (ft³) instantly and accurately.
Conversion Formula
ft³ = UK gal × 0.1605436532
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 Cubic Feet
A cubic foot (ft³) is the volume of a cube with sides of one foot (30.48 cm), equal to approximately 28.317 liters. It is widely used in US construction, HVAC engineering, natural gas distribution, and real estate. Natural gas consumption is billed in cubic feet (Ccf = 100 ft³, Mcf = 1,000 ft³); refrigerator, oven, and storage compartment capacity are rated in cubic feet; and concrete or soil orders are quoted in cubic yards or cubic feet. One cubic foot of water weighs approximately 62.4 pounds. Air conditioning units are sized in BTU per hour for room volumes measured in cubic feet.
Quick Reference Table
| Imperial Gallons (UK gal) | Cubic Feet (ft³) |
|---|---|
| 1 UK gal | 0.160544 ft³ |
| 2 UK gal | 0.321087 ft³ |
| 5 UK gal | 0.802718 ft³ |
| 10 UK gal | 1.60544 ft³ |
| 25 UK gal | 4.01359 ft³ |
| 50 UK gal | 8.02718 ft³ |
| 100 UK gal | 16.0544 ft³ |