You Are Here: Home » Science » How Many Ounces in a Gallon

# How Many Ounces in a Gallon

There are 128 ounces in a gallon.

1 US gallon = 128 US fluid ounces

1 UK gallon = 160 UK ounces

The gallon is a non-metric liquid measurement unit accepted in many countries. The US liquid gallon (about 3.785 liters) and the imperial gallon (about 4.54 liters) are the most common definitions of this unit. The US gallon consists of 128 US fluid ounces, and the imperial gallon consists of 160 imperial fluid ounces. The Ounce (abbr. oz) is a widely-spread non-metric unit of mass or volume (fluid ounce), which is used in various systems and has several definitions. The US fluid ounce equals to about 29.6 milliliters, and the imperial fluid ounce equals to about 28.4 milliliters.

## Gallons To Ounces Chart

Gallon Ounce
1 Gallon = 128 Ounce
2 Gallon = 256 Ounce
3 Gallon = 384 Ounce
4 Gallon = 512 Ounce
5 Gallon = 640 Ounce
6 Gallon = 768 Ounce
7 Gallon = 896 Ounce
8 Gallon = 1024 Ounce
9 Gallon = 1152 Ounce
10 Gallon = 1280 Ounce
11 Gallon = 1408 Ounce
12 Gallon = 1536 Ounce
13 Gallon = 1664 Ounce
14 Gallon = 1792 Ounce
15 Gallon = 1920 Ounce
16 Gallon = 2048 Ounce
17 Gallon = 2176 Ounce
18 Gallon = 2304 Ounce
19 Gallon = 2432 Ounce
20 Gallon = 2560 Ounce
Tags: