Cup (US) to Fluid Ounce (UK) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Cup (US) to Fluid Ounce (UK)
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)) = 8.326741846 Fluid Ounce (UK) (fl oz (UK)).
Cup (US) to Fluid Ounce (UK) — Common Values
| Cup (US) (cup (US)) | Fluid Ounce (UK) (fl oz (UK)) |
|---|---|
| 0.1 | 0.8326741846 |
| 0.5 | 4.163370923 |
| 1 | 8.326741846 |
| 2 | 16.65348369 |
| 5 | 41.63370923 |
| 10 | 83.26741846 |
| 25 | 208.1685462 |
| 50 | 416.3370923 |
| 100 | 832.6741846 |
| 500 | 4163.370923 |
| 1000 | 8326.741846 |
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 (UK) (fl oz (UK))
Definition
The UK fluid ounce is a unit of liquid volume equal to 1/160 of an imperial gallon, or approximately 28.413 milliliters.
Mathematical Relationship
1 UK fl oz = 1/20 UK pt = 1/160 UK gal ≈ 28.4131 mL. It is about 4% smaller than a US fluid ounce.
Conversion Formula
To mL: multiply by 28.4131. To US fl oz: multiply by 0.96076. To UK pints: divide by 20.
Practical Applications
Older UK recipes, some beverage labels in Commonwealth countries, and traditional pharmaceutical dosing.
Interesting Facts
Paradoxically, the UK fluid ounce is smaller than the US fluid ounce (28.41 vs. 29.57 mL), even though UK pints and gallons are larger.
Common Mistakes
Assuming UK and US fluid ounces are the same — they differ by about 4%. This seems small but accumulates in recipes.
Educational Tips
UK fl oz ≈ 28.4 mL, US fl oz ≈ 29.6 mL. The UK has more fl oz per pint (20) vs. US (16), but each UK fl oz is smaller.