Convert Cup (UK/Imperial) 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.
Quick answer
1 Cup (UK/Imperial) = 1.20095 US cups
1 Cup (UK/Imperial) = 1.20095 US cups. Cup (UK/Imperial) is a traditional volume unit from Western Europe.
Convert any amount
Cup (UK/Imperial) to US cups table
| Cup (UK/Imperial) | US cups |
|---|---|
| 0.25 Cup (UK/Imperial) | 0.300238 US cups |
| 0.5 Cup (UK/Imperial) | 0.600476 US cups |
| 1 Cup (UK/Imperial) | 1.20095 US cups |
| 2 Cup (UK/Imperial) | 2.4019 US cups |
| 3 Cup (UK/Imperial) | 3.60285 US cups |
| 4 Cup (UK/Imperial) | 4.80381 US cups |
| 5 Cup (UK/Imperial) | 6.00476 US cups |
| 10 Cup (UK/Imperial) | 12.0095 US cups |
| 20 Cup (UK/Imperial) | 24.019 US cups |
| 25 Cup (UK/Imperial) | 30.0238 US cups |
| 50 Cup (UK/Imperial) | 60.0476 US cups |
| 100 Cup (UK/Imperial) | 120.095 US cups |
About the Cup (UK/Imperial)
UK cup = 284ml = 10 fl oz (UK).
- Symbol
- cup UK
- Value in SI
- 1 Cup (UK/Imperial) = 0.284131 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.
Frequently asked
How many US cups are in a Cup (UK/Imperial)?
1 Cup (UK/Imperial) = 1.20095 US cups. Multiply the number of Cup (UK/Imperial) by 1.2009515 to get US cups.
What is Cup (UK/Imperial) used for?
UK cup = 284ml = 10 fl oz (UK). It is classified as active and dates from the modern period.
Is the Cup (UK/Imperial) 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 Cup (UK/Imperial) 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 Cup (UK/Imperial) to US cups. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/cup-uk-to-us-cup
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