VOLUME CONVERSION
Imperial gallon to Imperial fluid ounce.
Convert imperial gallon (gal (UK)) to imperial fluid ounce (fl oz (UK)), with the math explained.
1 gal (UK) = 160 fl oz (UK)
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert imperial gallon to imperial fluid ounce
Multiply your imperial gallon value by 160 to get the equivalent in imperial fluid ounce. Both units are normalized through the liter.
fl oz (UK) = gal (UK) × 16010 gal (UK) = 1,600 fl oz (UK)
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
gal (UK) to fl oz (UK) conversion table
| Imperial gallon (gal (UK)) | Imperial fluid ounce (fl oz (UK)) |
|---|---|
| 1 gal (UK) | 160 fl oz (UK) |
| 2 gal (UK) | 320 fl oz (UK) |
| 5 gal (UK) | 800 fl oz (UK) |
| 10 gal (UK) | 1,600 fl oz (UK) |
| 20 gal (UK) | 3,200 fl oz (UK) |
| 50 gal (UK) | 8,000 fl oz (UK) |
| 100 gal (UK) | 16,000 fl oz (UK) |
| 500 gal (UK) | 80,000 fl oz (UK) |
| 1,000 gal (UK) | 160,000 fl oz (UK) |
About the imperial gallon
The imperial gallon (gal (UK)) is a unit of volume. One imperial gallon equals 4.54609 liter (base unit) in this calculator.
All imperial gallon conversionsAbout the imperial fluid ounce
The imperial fluid ounce (fl oz (UK)) is a unit of volume. One imperial fluid ounce equals 0.0284130625 liter (base unit) in this calculator.
All imperial fluid ounce conversionsCommon questions
What is 1 gal (UK) in fl oz (UK)?
One imperial gallon equals 160 fl oz (UK). Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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