Convert US cups to Cup (UK/Imperial)
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 US cup = 0.832673 Cup (UK/Imperial)
Cup (UK/Imperial) = US cups × 0.83267309
Convert any amount
US cups to Cup (UK/Imperial) table
| US cups | Cup (UK/Imperial) |
|---|---|
| 0.25 US cups | 0.208168 Cup (UK/Imperial) |
| 0.5 US cups | 0.416337 Cup (UK/Imperial) |
| 1 US cup | 0.832673 Cup (UK/Imperial) |
| 2 US cups | 1.66535 Cup (UK/Imperial) |
| 3 US cups | 2.49802 Cup (UK/Imperial) |
| 4 US cups | 3.33069 Cup (UK/Imperial) |
| 5 US cups | 4.16337 Cup (UK/Imperial) |
| 10 US cups | 8.32673 Cup (UK/Imperial) |
| 20 US cups | 16.6535 Cup (UK/Imperial) |
| 25 US cups | 20.8168 Cup (UK/Imperial) |
| 50 US cups | 41.6337 Cup (UK/Imperial) |
| 100 US cups | 83.2673 Cup (UK/Imperial) |
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.
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 (Metric) to US cupsConventional value
- Fluid Ounce (UK) 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 Cup (UK/Imperial) are in a US cup?
1 US cup = 0.832673 Cup (UK/Imperial). Multiply the number of US cups by 0.83267309 to get Cup (UK/Imperial).
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 US cups to Cup (UK/Imperial). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/us-cup-to-cup-uk
Report an incorrect value or source
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