There are 8 fluid ounces in a cup. For dry ingredients, there are 4.5 ounces in a cup.
What is an Ounce?
An ounce is a unit of measure used to weigh out volume, weight, and mass.
What is a Cup?
A cup is a unit of volume measurement used in cooking and baking. It is equal to 8 fluid ounces or 240 milliliters.
Fluid Ounces vs. Dry Ounces
Fluid ounces are used for measuring liquids, while dry ounces are used for measuring solids. They are not equivalent.
- 1 fluid ounce: Typically used for liquids like water, milk, and juices.
- 1 dry ounce: Typically used for solids like flour, sugar, and spices.
Conversion:
- 1 cup = 8 fluid ounces
- 1 cup = 4.5 dry-weight ounces
Ounce to Cup Conversions: A Quick Reference
| Measurement | Fluid Ounces | Dry Ounces |
|---|---|---|
| 1 Cup | 8 | 4.5 |
| 1/2 Cup | 4 | 2.25 |
| 1/4 Cup | 2 | 1.125 |
| 1/3 Cup | 2.67 | 1.5 |
| 2/3 Cup | 5.33 | 3 |
| 3/4 Cup | 6 | 3.375 |
Frequently Asked Questions (FAQs)
How many fluid ounces in a cup?
There are 8 fluid ounces in a cup.
How many dry ounces in a cup?
There are 4.5 dry ounces in a cup.
How many ounces in a cup of water?
There are 8 fluid ounces in a cup of water.
How many ounces in a Stanley Cup?
The Stanley Cup holds 37.5 ounces.
How many ounces in a half cup?
There are 4 fluid ounces in a half cup.
How many ounces in a cup of flour?
There are 4.5 ounces in a cup of flour.
How many ounces in a quarter cup?
There are 2 fluid ounces in a quarter cup.
How many ounces in a cup of coffee?
A standard cup of coffee typically holds 6 fluid ounces.