Convert Cup (UK/Imperial) to millilitres
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 Cup (UK/Imperial) = 284.131 millilitres
millilitres = Cup (UK/Imperial) × 284.131
Convert any amount
Cup (UK/Imperial) to millilitres table
| Cup (UK/Imperial) | millilitres |
|---|---|
| 0.25 Cup (UK/Imperial) | 71.0328 millilitres |
| 0.5 Cup (UK/Imperial) | 142.066 millilitres |
| 1 Cup (UK/Imperial) | 284.131 millilitres |
| 2 Cup (UK/Imperial) | 568.262 millilitres |
| 3 Cup (UK/Imperial) | 852.393 millilitres |
| 4 Cup (UK/Imperial) | 1,136.52 millilitres |
| 5 Cup (UK/Imperial) | 1,420.66 millilitres |
| 10 Cup (UK/Imperial) | 2,841.31 millilitres |
| 20 Cup (UK/Imperial) | 5,682.62 millilitres |
| 25 Cup (UK/Imperial) | 7,103.28 millilitres |
| 50 Cup (UK/Imperial) | 14,206.6 millilitres |
| 100 Cup (UK/Imperial) | 28,413.1 millilitres |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 millilitresHistorically reconstructed
- Teaspoon (Metric) to millilitresConventional value
- Tablespoon (Metric) to millilitresConventional value
- Cup (Metric) to millilitresConventional value
- Fluid Ounce (UK) to millilitresConventional value
- Gallon (UK) to millilitresConventional value
- Gallon (US) to millilitresConventional value
- Pint (UK) to millilitresConventional value
Related conversions
Frequently asked
How many millilitres are in a Cup (UK/Imperial)?
1 Cup (UK/Imperial) = 284.131 millilitres. Multiply the number of Cup (UK/Imperial) by 284.131 to get millilitres.
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 millilitres. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/cup-uk-to-milliliter
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