Convert US Liquid Gallons (gal) to Imperial Fluid Ounces (fl oz) | gal in fl oz

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Let's convert US Liquid Gallons (gal) to Imperial Fluid Ounces (fl oz)

This quick and easy calculator will convert US Liquid Gallons (gal) to Imperial Fluid Ounces (fl oz) and show formula, brief history on the units and quick maths for the conversion.

Enter US Liquid Gallons to convert to Imperial Fluid Ounces


Quick Reference for Converting US Liquid Gallons to Imperial Fluid Ounces

Formula
fl oz = gal x 133.23
Quick Rough Maths
To get the Imperial Fluid Ounces, multiply the number of US Liquid Gallons by 133.2
US Liquid Gallons (gal) in 1 Ounce
There are 0.01 US Liquid Gallons in 1 Ounce
Imperial Fluid Ounces (fl oz) in 1 US Liquid Gallon
There are 133.23 Imperial Fluid Ounces in 1 US Liquid Gallon

Unit Information

US Liquid Gallon
/ˈlɪkwɪdˈɡalən/
Symbol: gal
Unit System: US Customary

What is the US Liquid Gallon?

The liquid gallon is a unit of volume in the US customary unit system and uses the symbol gal.

It is the most common use of the word gallon and is defined as 231 in³. It is made up of 4 quarts where there are 2 pints in a quart and 16 US fluid ounces in a US pint. There are therefore 128 US fluid ounces in a US gallon.

The term gallon is most prevalent when discussing and trading oil and fuel. To ensure consistency, the temperature of the liquid (typically petroleum or alcohol) is understood to be 15.6 °C (60 °F) at the time of measurement.

Ounce
/ˈfluːɪd aʊns/
Symbol: fl oz
Unit System: Imperial

What is the Ounce?

The imperial fluid ounce is a unit of volume from the imperial unit system and uses the symbol fl oz.

1 imperial fluid ounce is equal to 28.41306 ml. It is also equivalent to 0.9607599 US fl oz.

The imperial gallon was defined in Britain by Parliament in 1824 and established as ten pounds of water at a normal temperature. This was split into 4 quarts, each quart into 2 pints, each pint into 4 gills and each gill into 5 ounces.

Therefore; 1 imperial fluid ounce is equal to 1/20 imperial pint, 1/40 imperial quart and 1/160 imperial gallon.


Conversion Tables for US Liquid Gallons (gal) to Imperial Fluid Ounces (fl oz)