US cup to Imperial fluid ounce Converter
Type a value — the answer appears instantly. 1 cup = 8.3267 fl oz (UK).
Reviewed by the OmniCalc teamMethod verified 2026-07-01
8.3267 imperial fluid ounces
= 0.236588 L= 236.588 ml
equals 8.3267 imperial fluid ouncesFormula: fl oz (UK) = cup × 8.3267418
US cup to Imperial fluid ounce formula
fl oz (UK) = cup × 8.3267418
Convert 5 US cups to imperial fluid ounces
- Start with 5 US cups.
- Multiply by the conversion factor: 5 × 8.32674 = 41.634.
- So 5 cup = 41.634 fl oz (UK).
US cup to Imperial fluid ounce conversion table
| US cups (cup) | Imperial fluid ounces (fl oz (UK)) |
|---|---|
| 0.01 cup | 0.083267 fl oz (UK) |
| 0.1 cup | 0.83267 fl oz (UK) |
| 0.25 cup | 2.0817 fl oz (UK) |
| 0.5 cup | 4.1634 fl oz (UK) |
| 1 cup | 8.3267 fl oz (UK) |
| 2 cup | 16.653 fl oz (UK) |
| 3 cup | 24.98 fl oz (UK) |
| 4 cup | 33.307 fl oz (UK) |
| 5 cup | 41.634 fl oz (UK) |
| 6 cup | 49.96 fl oz (UK) |
| 7 cup | 58.287 fl oz (UK) |
| 8 cup | 66.614 fl oz (UK) |
| 9 cup | 74.941 fl oz (UK) |
| 10 cup | 83.267 fl oz (UK) |
| 15 cup | 124.9 fl oz (UK) |
| 20 cup | 166.53 fl oz (UK) |
| 25 cup | 208.17 fl oz (UK) |
| 30 cup | 249.8 fl oz (UK) |
| 40 cup | 333.07 fl oz (UK) |
| 50 cup | 416.34 fl oz (UK) |
| 75 cup | 624.51 fl oz (UK) |
| 100 cup | 832.67 fl oz (UK) |
| 250 cup | 2,081.7 fl oz (UK) |
| 500 cup | 4,163.4 fl oz (UK) |
| 1,000 cup | 8,326.7 fl oz (UK) |
| 5,000 cup | 41,634 fl oz (UK) |
| 10,000 cup | 83,267 fl oz (UK) |
Unit definitions
What is a US cup?
The US customary cup is one sixteenth of a US gallon, about 236.59 millilitres. It is the standard volume measure in American home cooking and baking. It equals eight US fluid ounces.
What is a imperial fluid ounce?
The imperial (UK) fluid ounce is one 160th of an imperial gallon, about 28.41 millilitres. It is used in the United Kingdom and Commonwealth countries. It is slightly smaller than the US fluid ounce.
Frequently asked questions
How many imperial fluid ounces are in one US cup?
One US cup equals 8.3267 imperial fluid ounces (1 cup = 8.3267 fl oz (UK)).
How do I convert US cups to imperial fluid ounces?
Multiply the value in US cups by 8.32674. For example, 10 cup × 8.32674 = 83.267 fl oz (UK).
Which is bigger — a US cup or a imperial fluid ounce?
A US cup is bigger: one US cup contains 8.3267 imperial fluid ounces.
Is this US cup to imperial fluid ounce converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.