how many quarts in an oz
fl oz: Ounces, quart: Quart. There are 0.031250000001703 quart in a ounce. 1 Ounce is equal to 0.031250000001703 Quart. 1 fl oz = 0.031250000001703 quart. Known as the US fluid ounce, the unit of volume for liquid substances is used as ounce in the US and other countries practicing the US Customary system.