1 US Gallons to UK Gallons
1 gal ≈ 0.8327 UK gal
1 US gallon is approximately 0.8327 UK gallons.
How to convert 1 gal to UK gal
Use the formula UK gal = gal × 0.83267384:
UK gal = 1 × 0.83267384UK gal = 0.832674
So 1 gal = 0.832674 UK gal, or about 0.8327 UK gal rounded.
Rounded values and quick estimate
- Rounded to a whole number: 1 UK gal
- Rounded to one decimal place: 0.8 UK gal
- Conversion factor: 1 US gallon = 0.8327 UK gallons
Quick mental estimate: multiply by 5/6. For 1 gal that gives about 0.8333 UK gal — within 1% of the exact answer. Use the exact formula when precision matters.
1 US Gallons in other units
- UK gallons
- 0.8327 UK gal
- Milliliters
- 3785.41 ml
- Liters
- 3.79 L
- Teaspoons
- 768 tsp
- Tablespoons
- 256 tbsp
- US fluid ounces
- 128 fl oz
- US cups
- 16 cups
- US pints
- 8 pt
- US quarts
- 4 qt
- Cubic centimeters
- 3785.41 cc
- Cubic inches
- 231 cu in
- Cubic feet
- 0.1337 cu ft
- Drops
- 75708.24 drops
- Oil barrels
- 0.0238 bbl
- Cubic meters
- 0.003785 m³
- Cubic yards
- 0.004951 cu yd
1 gal and nearby values
About us gallons and uk gallons
A US gallon is 128 US fluid ounces, exactly 3.785411784 liters. (The UK imperial gallon is 4.546 liters.)
An imperial (UK) gallon is exactly 4.54609 liters — about 20% larger than a US gallon.
Related conversions
Frequently asked questions
What is 1 US Gallons in UK Gallons?
1 US gallon is about 0.8327 UK gallons (1 gal ≈ 0.8327 UK gal).
How do you convert 1 gal to UK gal?
Apply UK gal = gal × 0.83267384: UK gal = 1 × 0.83267384, UK gal = 0.832674.
How many US gallons is 0.8327 UK gal?
0.8327 UK gal is about 1 US gallons.