On this conversion web page, the tables and the converter are primarily based on the US fluid gallons and the US fluid ounces.

## What number of fluid ounces in a gallon?

There are three kinds of gallons, US Customary fluid and dry gallons and the Imperial gallon. There are two kinds of fluid ounces, US Customary fluid ounce and the Imperial fluid ounce. So, relying on what kinds of gallons and fluid ounces are used, the reply to the query of what number of ounces in a gallon is perhaps totally different. If you’re changing from US fluid gallons to fluid ounces, then there are 128 fluid ounces in a gallon. If the conversion is between Imperial gallons and Imperial fluid ounces, then there are 160 Imperial fluid ounces in an Imperial gallon.

The listing of conversion elements from gallons to fluid ounces:

- 1 US fluid gallon = 128 US fluid ounces
- 1 Imperial gallon= 160 Imperial fluid ounces

## How to convert from US gallons to fluid ounces?

There are 128 fluid ounces in 1 gallon. To transform gallons to fluid ounces, multiply the gallon worth by 128.

For instance, to learn how many fluid ounces there are in a half gallon, multiply 128 by 0.5, that makes 64 fluid ounces in a half gallon.

gallons to fluid ounces system:

fluid ounce = gallon * 128

Frequent conversions from gallons to fluid ounces (fl oz):

**1/8 gallon = 16 fl oz****1/4 gallon = 32 fl oz****1/3 gallon = 42.66 fl oz****1/2 gallon = 64 fl oz****1 gallon = 128 fl oz****1.5 gallons = 192 fl oz****2 gallons = 256 fl oz****2.5 gallons = 320 fl oz**

To transform between imperial gallons and fluid ounces, please go to imperial gallons to fluid ounces converter.

## What number of water bottles are there in a gallon?

1 US gallon is equal to 128 US fluid ounces. To learn how many water bottles there are in gallons, multiply the variety of gallons by 128 and divide by the scale of the water bottle in fluid ounces.

For instance, to learn how many 16.9 oz water bottles there are in 3 gallons, multiply 3 by 128 and divide by 16.9, that makes 22.72 water bottles of 16.9 oz in 3 gallons.

water bottles in a gallons:

**there are 16 water bottles of 8 oz in a US gallon****there are 10.6 water bottles of 12 oz in a US gallon****there are 7.57 water bottles of 16.9 oz in a US gallon****there are 6.4 water bottles of 20 oz in a US gallon****there are 5.3 water bottles of 24 oz in a US gallon****there are 3.78 water bottles of 33.8 oz in a US gallon**

To calculate what number of water bottles of various sizes can slot in gallons and consider the gallons to water bottles desk, please go to what number of water bottles are in gallons.

What’s a Gallon?

*Gallon* is an imperial and United States Customary programs quantity unit. 1 US gallon = 128 US fluid ounces. 1 Imperial gallon = 160 Imperial fluid ounces. The image is “**gal**“.

To transform from US fluid, dry and UK gallons to UK and US fluid ounces, please go to all quantity items conversion.