oz to Cups Converter

oz to cups calculator

How to convert ounces to cups

cups = fluid ounces ÷ 8

Pick Oz → Cups, type fl oz, keep US cup (8 fl oz). Default 8 fl oz is 1 cup. Type 1 to see 0.125 cups (⅛ cup).

How many ounces in a cup?

There are 8 fluid ounces in 1 US cup. 2 cups = 16 fl oz. 3 cups = 24 fl oz. 4 cups = 32 fl oz. ½ cup = 4 fl oz. ¼ cup = 2 fl oz. ⅛ cup = 1 fl oz.

How many oz in a cup?

8 oz in a cup when oz means fluid ounces. Same number as “how many ounces are in a cup.” Do not use 8 oz of flour by weight as 1 cup — that is a different conversion.

How many ounces are in a cup?

8 fluid ounces are in a US cup. ½ cup = 4 fl oz. 2 cups = 16 fl oz. This is volume (fl oz), not the weight of flour or sugar in a cup.

8 ounces to cups

8 ounces to cups = 1 cup (US, fluid ounces). 8 fl oz = 1 US cup. 16 oz = 2 cups. 32 oz = 4 cups. A 16 oz bottle is 2 cups of liquid.

4 ounces to cups

4 ounces to cups = ½ cup. 2 oz = ¼ cup. 6 oz = ¾ cup.

Does 4 ounces equal 1 cup?

No. 4 fluid ounces equal ½ cup, not 1 cup. 1 US cup is 8 fl oz.

Is 8 ounces a 1/2 cup?

No. 8 fluid ounces is 1 cup. ½ cup is 4 fl oz. People mix this up with 8 oz by weight (a cup of flour is closer to 4.4 oz).

How many ounces is 1 cup?

1 cup = 8 fl oz (US). 2 cups = 16 fl oz. ½ cup = 4 fl oz. Same answer as how many ounces in a cup.

Cups to ounces

fluid ounces = cups × 8

Switch the calculator to Cups → Oz. 1 cup = 8 fl oz. 2 cups = 16 fl oz. 3 cups = 24 fl oz. 0.5 cup = 4 fl oz. 2.5 cups = 20 fl oz.

Fluid ounces to cups

Fluid ounces to cups is the same math as ounces to cups on this page: divide by 8. A US recipe “oz” of milk, water, or oil is almost always fl oz.

How to measure ounces in cups

Use a liquid measuring cup with fl oz and cup lines. Fill to the 8 oz / 1 cup mark at eye level. For sticky liquids, a scale is still more accurate. Dry cups (flour, sugar) packed into a dry measuring cup are not the same as 8 fl oz of volume weighed as ounces.

What is ounces to cups

Ounces to cups is a volume conversion for US recipes: how many cups you get from a number of fluid ounces. It is not grams, and it is not the weight of flour in a cup.

How to convert cups to ounces

Multiply cups by 8 for US fluid ounces. ¾ cup × 8 = 6 fl oz.

A cup volume doesn't always equal a cup

US recipes use a legal cup of 240 ml (8 fl oz in this converter). A slightly older US customary cup is 236.6 ml — half a liquid pint. Other cups:

• Metric cup (Australia, NZ, Canada): 250 ml — about 4% more than a US cup.
• UK cup: half an imperial pint, about 284 ml.
• Japanese cup: 200 ml, still used for rice and sake.
• A coffee “cup” on many machines is closer to 118–150 ml — not a measuring cup.

Do not swap a 250 ml metric cup into a US 8 fl oz chart without adjusting.

Fluid ounces vs weight ounces

This page converts fluid ounces (volume). A weight ounce is 28.35 g and changes with the ingredient: 1 cup of flour is about 4.4 oz by weight, not 8. Water is close to 8 oz per cup because 1 fl oz of water weighs about 1 oz. For flour, sugar, and butter by weight, use a scale — not this fl oz chart.

Common mistakes

• Treating 8 oz of flour as 1 cup (that is 8 fluid ounces of volume).
• Using a UK or metric cup with a US 8 fl oz chart.
• Confusing a coffee mug with a measuring cup.