Cup (UK) to Fluid Ounce (US) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Cup (UK) to Fluid Ounce (US)
To mL: multiply by 284.131. To US cups: multiply by 1.201. To liters: multiply by 0.284131.
1 UK cup = 10 UK fl oz = 1/2 UK pint = 284.131 mL ≈ 1.2 US cups.
For example, 1 Cup (UK) (cup (UK)) = 9.607599392 Fluid Ounce (US) (fl oz (US)).
Cup (UK) to Fluid Ounce (US) — Common Values
| Cup (UK) (cup (UK)) | Fluid Ounce (US) (fl oz (US)) |
|---|---|
| 0.1 | 0.9607599392 |
| 0.5 | 4.803799696 |
| 1 | 9.607599392 |
| 2 | 19.21519878 |
| 5 | 48.03799696 |
| 10 | 96.07599392 |
| 25 | 240.1899848 |
| 50 | 480.3799696 |
| 100 | 960.7599392 |
| 500 | 4803.799696 |
| 1000 | 9607.599392 |
About Cup (UK) (cup (UK))
Definition
The UK (imperial) cup is a unit of volume equal to 10 UK fluid ounces, or approximately 284.131 milliliters.
Mathematical Relationship
1 UK cup = 10 UK fl oz = 1/2 UK pint = 284.131 mL ≈ 1.2 US cups.
Conversion Formula
To mL: multiply by 284.131. To US cups: multiply by 1.201. To liters: multiply by 0.284131.
Practical Applications
Older British cookbooks, some Commonwealth recipes (especially pre-metric era), and traditional baking.
Interesting Facts
The UK cup is 20% larger than the US cup. A recipe calling for 1 UK cup actually requires about 1.2 US cups.
Common Mistakes
Using a US cup measure for a UK recipe — the 20% difference can ruin baked goods. Check the recipe's origin.
Educational Tips
UK kitchens rarely use cups now — most British recipes specify grams and mL. If you see 'cups' in a UK recipe, it's 284 mL.
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.