As a unit of weight, an ounce is approximately 28 grams, or 1/16th of a pound. One pound is officially 453.592 grams. 1 pound contains 16 ounces, there are officially 28.35 grams per ounce. The abbreviations for fluid ounces are fl oz, fl. oz., and oz. fl. A fluid ounce equals approximately 30 milliliters 28.6 ml.

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

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