# OZ to Gallon

• 1 Gallon (US) = 128 Ounces (US, Fluid)
• 1 Gallon (UK) = 160 Ounces (UK, Fluid)

There are 128 US fluid ounces in a US gallon. If you’re in the UK, you’ll find a gallon measures 160 UK fluid ounces. This is due to the fact that the US liquid gallon is smaller than the UK imperial gallon (3.785 liters compared to 4.546 litres).

fluid ounces to gallons formula

gallon = fluid ounce * 0.0078125

gallon = fluid ounce / 128

Common conversions from US fluid oz to gallons:

• 16 fl oz = 0.125 gallon
• 24 fl oz = 0.1875 gallon
• 32 fl oz = 1/4 gallon
• 64 fl oz = 1/2 gallon
• 96 fl oz = 3/4 gallon
• 128 fl oz = 1 gallon
• 160 fl oz = 1.25 gallons
• 192 fl oz = 1.5 gallons

## How many gallons do 64 ounces equal?

A gallon of liquid in the United States equates to 128 US fluid ounces. This means that 64 US fluid ounces measure the same as 1/2 a US gallon.

### Is 1 gallon the same as 64 oz?

No. A gallon of liquid contains 128 US fluid ounces. This means that half a gallon measures 64 US fluid ounces.

## How many 32 oz make a gallon?

If you’re referencing the US gallon and US fluid ounce, 32 ounces equal one quart and equate to 1/4 of a gallon. You would therefore need 4 to make a US gallon.

## Gallons to ounces conversions (US)

Gallons to fl oz (US) Gallons to fl oz (US)
1/4 gallon = 32 fl oz 10 gallons = 1280 fl oz
1/2 gallon = 64 fl oz 11 gallons = 1408 fl oz
3/4 gallon = 96 fl oz 12 gallons = 1536 fl oz
1 gallon = 128 fl oz 13 gallons = 1664 fl oz
2 gallons = 256 fl oz 14 gallons = 1792 fl oz
3 gallons = 384 fl oz 15 gallons = 1920 fl oz
4 gallons = 512 fl oz 16 gallons = 2048 fl oz
5 gallons = 640 fl oz 17 gallons = 2176 fl oz
6 gallons = 768 fl oz 18 gallons = 2304 fl oz
7 gallons = 896 fl oz 19 gallons = 2432 fl oz
8 gallons = 1024 fl oz 20 gallons = 2560 fl oz
9 gallons = 1152 fl oz 21 gallons = 2688 fl oz

## Gallons to imperial fluid ounces (UK)

Due to the fact that the UK uses the smaller imperial fluid ounce, conversions for UK gallons are as follows.

Gallons to fl oz (UK) Gallons to fl oz (UK)
1 gallon = 160 fl oz 11 gallon = 1760 fl oz
2 gallons = 320 fl oz 12 gallon = 1920 fl oz
3 gallons = 480 fl oz 13 gallon = 2080 fl oz
4 gallons = 640 fl oz 14 gallon = 2240 fl oz
5 gallons = 800 fl oz 15 gallon = 2400 fl oz
6 gallons = 960 fl oz 16 gallon = 2560 fl oz
7 gallons = 1120 fl oz 17 gallon = 2720 fl oz
8 gallons = 1280 fl oz 18 gallon = 2880 fl oz
9 gallons = 1440 fl oz 19 gallon = 3040 fl oz
10 gallons = 1600 fl oz 20 gallon = 3200 fl oz