Cup (US) to Fluid Ounce (US) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Cup (US) to Fluid Ounce (US)
To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.
1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.
For example, 1 Cup (US) (cup (US)) = 7.99999999 Fluid Ounce (US) (fl oz (US)).
Cup (US) to Fluid Ounce (US) — Common Values
| Cup (US) (cup (US)) | Fluid Ounce (US) (fl oz (US)) |
|---|---|
| 0.1 | 0.799999999 |
| 0.5 | 3.999999995 |
| 1 | 7.99999999 |
| 2 | 15.99999998 |
| 5 | 39.99999995 |
| 10 | 79.9999999 |
| 25 | 199.9999997 |
| 50 | 399.9999995 |
| 100 | 799.999999 |
| 500 | 3999.999995 |
| 1000 | 7999.99999 |
About Cup (US) (cup (US))
Definition
The US cup is a unit of culinary volume equal to 8 US fluid ounces, or approximately 236.588 milliliters.
Mathematical Relationship
1 US cup = 8 US fl oz = 16 US tbsp = 48 US tsp = 1/2 US pint ≈ 236.588 mL.
Conversion Formula
To mL: multiply by 236.588. To liters: multiply by 0.236588. To UK cups: multiply by 0.832674.
Practical Applications
Measuring flour, sugar, milk, water, and other cooking ingredients. Standard in every American cookbok and food label.
Interesting Facts
The US cup, metric cup (250 mL), and Japanese cup (200 mL) are all different sizes — international recipes can be confusing!
Common Mistakes
Using a coffee mug as a 'cup' — mugs range from 200–350 mL. Always use a calibrated measuring cup for accuracy.
Educational Tips
Key conversions: 1 cup = 16 tbsp = 8 fl oz = 1/2 pint. For metric: 1 cup ≈ 240 mL (close enough for cooking).
About Fluid Ounce (US) (fl oz (US))
Definition
The US fluid ounce is a unit of liquid volume equal to 1/128 of a US gallon, or approximately 29.574 milliliters.
Mathematical Relationship
1 US fl oz = 2 US tbsp = 6 US tsp = 1/8 US cup = 29.5735 mL.
Conversion Formula
To mL: multiply by 29.5735. To UK fluid ounces: multiply by 1.04084. To tablespoons (US): multiply by 2.
Practical Applications
Beverage cans (12 fl oz), water bottles (16.9 fl oz), coffee sizes, medicine dosing, and shampoo bottles.
Interesting Facts
A US fluid ounce of water weighs almost exactly 1 avoirdupois ounce (29.57 mL ≈ 28.35 g). The UK fl oz is slightly smaller (28.41 mL).
Common Mistakes
Confusing fluid ounces (volume) with ounces (weight). Also, US and UK fluid ounces differ slightly.
Educational Tips
1 fl oz ≈ 30 mL (close enough). A soda can = 12 fl oz. A standard water bottle = 16.9 fl oz ≈ 500 mL.