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

You are: Home > Volume > US Fluid Ounce to Imperial Gallons

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

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

Enter US Fluid Ounce to convert to Imperial Gallons


Quick Reference for Converting US Fluid Ounce to Imperial Gallons

Formula
gal = fl oz / 153.72
Quick Rough Maths
To get the Imperial Gallons, divide the number of US Fluid Ounce by 153.7
US Fluid Ounce (fl oz) in 1 Imperial Gallon
There are 153.72 US Fluid Ounce in 1 Imperial Gallon
Imperial Gallons (gal) in 1 Fluid Ounce
There are 0.01 Imperial Gallons in 1 Fluid Ounce

Unit Information

Fluid Ounce
/ˈfluːɪd aʊns/
Symbol: fl oz
Unit System: US Customary

What is the Fluid Ounce?

The US fluid ounce is a unit of volume in the US customary unit system with the symbol fl oz.

Primarily used for measuring the volume or capacity of liquids, 1 US fluid ounce is equal to 29.57353 ml. It is also equal to 1.040843 imperial fluid ounces.

1 US fluid ounce is equal to 1/16 imperial pint, 1/32 imperial quart and 1/128 imperial gallon.

The fluid ounce was originally defined by the volume taken up by one ounce of a substance. Of course this would be different depending on the density of that substance; for example England used wine whereas Scotland used water to establish this measure.

The US fluid ounce is derived from the US gallon; which was originally based on the English wine gallon (231 cubic inches).

Imperial Gallon
/ˈɡalən/
Symbol: gal
Unit System: Imperial

What is the Imperial Gallon?

The gallon is a unit of volume in the imperial unit system with the symbol gal.

1 British imperial gallon is defined as 4.54609 litres or 277.4194 in³.

The term gallon derives directly from the Old Northern French term 'galun' which means 'liquid measure'. The origin of the word prior to this is still unknown. It originated as the base of the system for measuring wine and beer in the UK and has now been adopted across the world and there are similar versions in the US and associated states (although they measure slightly differently).


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