Imperial cups to US customary cups
1 UK cup ≈ 1.201 US cup. Edit either value to convert instantly.
Conversion formula
US cup = UK cup × (0.284130625) × (2 × 10⁹ / 473,176,473)1 UK cup ≈ 1.20095 US cup
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
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.
Conversion table
| UK cup | US cup |
|---|---|
| ≈ 1.20095 | |
| ≈ 2.4019 | |
| ≈ 6.00475 | |
| ≈ 12.0095 | |
| ≈ 18.0142 | |
| ≈ 24.019 | |
| ≈ 30.0237 | |
| ≈ 36.0285 | |
| ≈ 48.038 | |
| ≈ 54.0427 |
| UK cup | US cup |
|---|---|
| ≈ 60.0475 | |
| ≈ 72.057 | |
| ≈ 84.0665 | |
| ≈ 96.076 | |
| ≈ 108.085 | |
| ≈ 120.095 | |
| ≈ 180.142 | |
| ≈ 192.152 | |
| ≈ 204.161 | |
| ≈ 216.171 |
Frequently asked questions
How many US customary cups are in 1 imperial cup?
1 UK cup ≈ 1.201 US cup. US cup = UK cup × (0.284130625) × (2 × 10⁹ / 473,176,473)
How do I convert UK cup to US cup?
US cup = UK cup × (0.284130625) × (2 × 10⁹ / 473,176,473)
Is 1 imperial cup bigger than 1 US customary cup?
1 UK cup ≈ 1.201 US cup.
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