Convert Fluid Ounce (UK) to US cups
Western Europe · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Fluid Ounce (UK) = 0.120095 US cups
US cups = Fluid Ounce (UK) × 0.12009515
Convert any amount
Fluid Ounce (UK) to US cups table
| Fluid Ounce (UK) | US cups |
|---|---|
| 0.25 Fluid Ounce (UK) | 0.0300238 US cups |
| 0.5 Fluid Ounce (UK) | 0.0600476 US cups |
| 1 Fluid Ounce (UK) | 0.120095 US cups |
| 2 Fluid Ounce (UK) | 0.24019 US cups |
| 3 Fluid Ounce (UK) | 0.360285 US cups |
| 4 Fluid Ounce (UK) | 0.480381 US cups |
| 5 Fluid Ounce (UK) | 0.600476 US cups |
| 10 Fluid Ounce (UK) | 1.20095 US cups |
| 20 Fluid Ounce (UK) | 2.4019 US cups |
| 25 Fluid Ounce (UK) | 3.00238 US cups |
| 50 Fluid Ounce (UK) | 6.00476 US cups |
| 100 Fluid Ounce (UK) | 12.0095 US cups |
About the Fluid Ounce (UK)
UK fl oz = 28.41ml. Slightly smaller than US.
- Symbol
- fl oz UK
- Value in SI
- 1 Fluid Ounce (UK) = 0.0284131 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
- Gill (UK) to US cupsHistorically reconstructed
- Teaspoon (Metric) to US cupsConventional value
- Tablespoon (Metric) to US cupsConventional value
- Cup (UK/Imperial) to US cupsConventional value
- Cup (Metric) to US cupsConventional value
- Gallon (UK) to US cupsConventional value
- Gallon (US) to US cupsConventional value
- Pint (UK) to US cupsConventional value
Related conversions
Frequently asked
How many US cups are in a Fluid Ounce (UK)?
1 Fluid Ounce (UK) = 0.120095 US cups. Multiply the number of Fluid Ounce (UK) by 0.12009515 to get US cups.
What is Fluid Ounce (UK) used for?
UK fl oz = 28.41ml. Slightly smaller than US. It is classified as active and dates from the modern period.
Is the Fluid Ounce (UK) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Fluid Ounce (UK) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Fluid Ounce (UK) to US cups. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/fl-oz-uk-to-us-cup
Report an incorrect value or source
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