# How Many Ounces in A... Cup, Gallon, Pint, Liter

As a unit of weight, an ounce is approximately 28 grams, or 1/16th of a pound. One pound is officially 453.592 grams. Because a pound contains 16 ounces, there are officially 28.35 grams per ounce.

Fluid ounces are a measurement of volume. The abbreviations for fluid ounces are fl oz, fl. oz., and oz. fl. A fluid ounce equals approximately 30 milliliters. (More specifically, 28.6 ml.)

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There are 2 variations of the fluid ounce in use: The United states customary, and the Imperial fluid ounce. Here, we will be referencing the US fluid ounce.

A fluid ounce is not related to an ounce as a unit of weight.

## How Many Ounces Are in A...

#### Imperial Fluid Ounce

One Imperial fluid ounce equals:

1?160 imperial gallon
1?40 imperial quart
1?20 imperial pint
1?5 imperial gill
8 imperial fluid drams
28.4130625 millilitres
1.733871455 cubic inches
0.960759940 US fluid ounces
the volume of 1 avoirdupois ounce of water

#### US Fluid Ounce

One US fluid ounce equals:

1?128 US gallon
1?32 US quart
1?16 US pint
1?8 US cup
1?4 US gill
2 US tablespoons
6 US teaspoons
8 US fluid drams
1.8046875 cubic inches
29.5735295625 milliliters
1.040842731 imperial fluid ounces

#### How Many Ounces In a Cup

2 cups = 16 fluid ounces
1 cup = 8 fluid ounces
7/8 cup = 7 fluid ounces
3/4 cup = 6 fluid ounces
5/8 cup = 5 fluid ounces
1/2 cup = 4 fluid ounces
3/8 cup = 3 fluid ounces
1/4 cup = 2 fluid ounces
1/8 cup = 1 fluid ounces

#### How Many Ounces In a Pint

1 pint = 16 fluid ounces
7/8 pint = 14 fluid ounces
3/4 pint = 12 fluid ounces
5/8 pint = 10 fluid ounces
1/2 pint = 8 fluid ounces
3/8 pint = 6 fluid ounces
1/4 pint = 4 fluid ounces
1/8 pint = 2 fluid ounces

#### How Many Ounces In a Gallon

1 gallon = 64 fluid ounces
15/16 gallon = 60 fluid ounces
7/8 gallon = 56 fluid ounces
13/16 gallon = 52 fluid ounces
3/4 gallon = 48 fluid ounces
11/16 gallon = 44 fluid ounces
5/8 gallon = 40 fluid ounces
9/16 gallon = 36 fluid ounces
1/2 gallon = 32 fluid ounces
7/16 gallon = 28 fluid ounces
3/8 gallon = 24 fluid ounces
5/16 gallon = 20 fluid ounces
1/4 gallon = 16 fluid ounces
3/16 gallon = 12 fluid ounces
1/8 gallon = 8 fluid ounces
1/16 gallon = 4 fluid ounces

#### How Many Ounces In a Liter

1 liter = 33.814 ounces
7/8 liter = 29.587 ounces
3/4 liter = 25.367 ounces
5/8 liter = 21.134 ounces
1/2 liter = 16.907 ounces
3/8 liter = 12.680 ounces
1/4 liter = 8.454 ounces
1/8 liter = 4.227 ounces