US customary cups to Imperial cups
1 US cup ≈ 0.8327 UK cup. Edit either value to convert instantly.
Conversion formula
UK cup = US cup × (0.2365882365) × (1,600,000 / 454,609)1 US cup ≈ 0.832674 UK cup
US customary cup (US cup)
A US customary cup is exactly 236.5882365 mL, or 8 US fluid ounces; metric cups and imperial cups differ.
imperial cup (UK cup)
The imperial cup used here is half an imperial pint: exactly 284.130625 mL, or 10 imperial fluid ounces.
Source: UK Weights and Measures Act 1985, Schedule 1; derived imperial cooking convention
Conversion table
| US cup | UK cup |
|---|---|
| ≈ 0.832674 | |
| ≈ 1.66535 | |
| ≈ 4.16337 | |
| ≈ 8.32674 | |
| ≈ 12.4901 | |
| ≈ 16.6535 | |
| ≈ 20.8169 | |
| ≈ 24.9802 | |
| ≈ 33.307 | |
| ≈ 37.4703 |
| US cup | UK cup |
|---|---|
| ≈ 41.6337 | |
| ≈ 49.9605 | |
| ≈ 58.2872 | |
| ≈ 66.6139 | |
| ≈ 74.9407 | |
| ≈ 83.2674 | |
| ≈ 124.901 | |
| ≈ 133.228 | |
| ≈ 141.555 | |
| ≈ 149.881 |
Frequently asked questions
How many imperial cups are in 1 US customary cup?
1 US cup ≈ 0.8327 UK cup. UK cup = US cup × (0.2365882365) × (1,600,000 / 454,609)
How do I convert US cup to UK cup?
UK cup = US cup × (0.2365882365) × (1,600,000 / 454,609)
Is 1 US customary cup bigger than 1 imperial cup?
1 US cup ≈ 0.8327 UK cup.
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