Fluid Ounce (UK) to Gallon (UK) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Fluid Ounce (UK) to Gallon (UK)
To mL: multiply by 28.4131. To US fl oz: multiply by 0.96076. To UK pints: divide by 20.
1 UK fl oz = 1/20 UK pt = 1/160 UK gal ≈ 28.4131 mL. It is about 4% smaller than a US fluid ounce.
For example, 1 Fluid Ounce (UK) (fl oz (UK)) = 0.00625 Gallon (UK) (gal (UK)).
Fluid Ounce (UK) to Gallon (UK) — Common Values
| Fluid Ounce (UK) (fl oz (UK)) | Gallon (UK) (gal (UK)) |
|---|---|
| 0.1 | 0.000625 |
| 0.5 | 0.003125 |
| 1 | 0.00625 |
| 2 | 0.0125 |
| 5 | 0.03125 |
| 10 | 0.0625 |
| 25 | 0.15625 |
| 50 | 0.3125 |
| 100 | 0.625 |
| 500 | 3.125 |
| 1000 | 6.25 |
About Fluid Ounce (UK) (fl oz (UK))
Definition
The UK fluid ounce is a unit of liquid volume equal to 1/160 of an imperial gallon, or approximately 28.413 milliliters.
Mathematical Relationship
1 UK fl oz = 1/20 UK pt = 1/160 UK gal ≈ 28.4131 mL. It is about 4% smaller than a US fluid ounce.
Conversion Formula
To mL: multiply by 28.4131. To US fl oz: multiply by 0.96076. To UK pints: divide by 20.
Practical Applications
Older UK recipes, some beverage labels in Commonwealth countries, and traditional pharmaceutical dosing.
Interesting Facts
Paradoxically, the UK fluid ounce is smaller than the US fluid ounce (28.41 vs. 29.57 mL), even though UK pints and gallons are larger.
Common Mistakes
Assuming UK and US fluid ounces are the same — they differ by about 4%. This seems small but accumulates in recipes.
Educational Tips
UK fl oz ≈ 28.4 mL, US fl oz ≈ 29.6 mL. The UK has more fl oz per pint (20) vs. US (16), but each UK fl oz is smaller.
About Gallon (UK) (gal (UK))
Definition
The UK (imperial) gallon is a unit of volume equal to 160 UK fluid ounces, or exactly 4.54609 liters.
Mathematical Relationship
1 UK gal = 4 UK qt = 8 UK pt = 160 UK fl oz = 4.54609 L ≈ 1.201 US gal.
Conversion Formula
To liters: multiply by 4.54609. To US gallons: multiply by 1.20095. To cubic meters: multiply by 0.00454609.
Practical Applications
UK road signs (mpg), older fuel consumption references, and some Caribbean and Middle Eastern markets that still use imperial units.
Interesting Facts
A UK gallon is about 20% larger than a US gallon. A car rated at 40 mpg (UK) gets only about 33 mpg (US).
Common Mistakes
Misinterpreting UK mpg as US mpg — UK figures look higher because the imperial gallon is larger.
Educational Tips
UK gallon ≈ 4.55 L ≈ 1.2 US gallons. The UK gallon was defined so that 1 gallon of water = 10 pounds.