3 Fluid Ounce (US) to Cup (UK)
Quick answer
3 Fluid Ounce (US) (fl oz) equals
0.312253 cup (UK)
To convert 3 Fluid Ounce (US)s to Cup (UK)s, multiply by 0.1040842731. Therefore, 3 Fluid Ounce (US) (fl oz) equals 0.312253 Cup (UK) (cup (UK)).
Formula: cup (UK) = fl oz × 0.1040842731. Calculation: 3 × 0.1040842731 = 0.312253 cup (UK).
Convert Fluid Ounce (US) (fl oz) to Cup (UK) (cup (UK)) online with our free unit converter. In volume, 1 fl oz = 0.104084 cup (UK). Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Fluid Ounce (US) to Cup (UK)
- Step 1 — start with the formula. cup (UK) = fl oz × 0.1040842731
- Step 2 — substitute your figure. 3 fl oz × 0.1040842731
- Step 3 — read the result. 3 fl oz = 0.312253 cup (UK)
- Step 4 — check it in reverse. fl oz = cup (UK) × 9.607599404 returns 3 fl oz, which matches the figure you started with.
Volume Converter
40 units available
3 fl oz = 0.312253 cup (UK)
Formula:
cup (UK) = fl oz × 0.1040842731With your value: 3 fl oz = 0.31225282 cup (UK)
How big is that?
Everyday references on a logarithmic scale, all expressed in fluid ounce (us) so you can sanity-check the result.
Other Fluid Ounce (US) to Cup (UK) conversions
Fluid Ounce (US) to Cup (UK) Conversion Table
| Fluid Ounce (US) (fl oz) | Cup (UK) (cup (UK)) |
|---|---|
| 0.5 | 0.052042 |
| 1 | 0.104084 |
| 2 | 0.208169 |
| 5 | 0.520421 |
| 10 | 1.040843 |
| 15 | 1.561264 |
| 20 | 2.081685 |
| 25 | 2.602107 |
| 50 | 5.204214 |
| 100 | 10.408427 |
| 250 | 26.021068 |
| 500 | 52.042137 |
| 1000 | 104.084273 |
Cup (UK) to Fluid Ounce (US) Conversion Table
| Cup (UK) (cup (UK)) | Fluid Ounce (US) (fl oz) |
|---|---|
| 0.5 | 4.8038 |
| 1 | 9.607599 |
| 2 | 19.215199 |
| 5 | 48.037997 |
| 10 | 96.075994 |
| 15 | 144.113991 |
| 20 | 192.151988 |
| 25 | 240.189985 |
| 50 | 480.37997 |
| 100 | 960.75994 |
| 250 | 2,401.899851 |
| 500 | 4,803.799702 |
| 1000 | 9,607.599404 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Fluid Ounce (US) (fl oz)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Cup (UK) (cup (UK))
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Fluid Ounce (US) to Cup (UK)
To convert from Fluid Ounce (US) (fl oz) to Cup (UK) (cup (UK)), multiply the value by 0.1040842731.
Formula: cup (UK) = fl oz × 0.1040842731
Reverse: fl oz = cup (UK) × 9.607599404
Step-by-Step Example
- Start with your value in Fluid Ounce (US). For example: 5 fl oz
- Multiply by the conversion factor: 5 x 0.1040842731
- The result is: 0.520421 cup (UK)
Fluid Ounce (US) and Cup (UK) Relationship
Both Fluid Ounce (US) and Cup (UK) belong to the US Customary / Imperial system, making this an intra-system conversion within volume. Since 1 Fluid Ounce (US) represents a fraction of a Cup (UK) (1 Cup (UK) ≈ 9.6076 Fluid Ounce (US)s), the Cup (UK) is the larger measurement interval. Understanding the relationship between Fluid Ounce (US) and Cup (UK) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Fluid Ounce (US)
The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.
Common uses of Fluid Ounce (US): beverages, cooking, cocktails.
About Cup (UK)
The Cup (UK) (symbol: cup (UK)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within volume applications for precision and standardized data representation.
Common uses of Cup (UK): volume calculations, engineering and science, education.
Frequently Asked Questions
- What is 3 Fluid Ounce (US) in Cup (UK)?
- 3 Fluid Ounce (US) equals 0.312253 Cup (UK).
- How many Cup (UK)s are in 1 Fluid Ounce (US)?
- There are exactly 0.1040842731 Cup (UK)s in 1 Fluid Ounce (US). This means the conversion factor from Fluid Ounce (US) to Cup (UK) is 0.1040842731.
- What is the formula to convert Fluid Ounce (US) to Cup (UK)?
- The formula to convert Fluid Ounce (US) to Cup (UK) is: cup (UK) = fl oz × 0.1040842731. For example, to convert 10 Fluid Ounce (US)s to Cup (UK)s, you would multiply 10 by 0.1040842731.
- What is a Fluid Ounce (US)?
- The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.
- What is a Cup (UK)?
- The Cup (UK) (symbol: cup (UK)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within volume applications for precision and standardized data representation.
- What are the common uses of Fluid Ounce (US)?
- The Fluid Ounce (US) is commonly used in beverages, cooking, cocktails.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). 3 Fluid Ounce (US) to Cup (UK). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/3-fluid_ounce_us-to-cup_uk