US cup to UK gallon Converter
1 cup = 0.052042 gal (UK) — convert instantly with formula and table.
Use the converter above for an immediate result — it recalculates on every keystroke and works offline once the page has loaded.
Quick answer: one us cup equals 0.052042 UK gallons. So to convert US cups to UK gallons, multiply by 0.05204214.
How to convert US cups to UK gallons
UK gallons = US cups × 0.0520421365
The US cup is half a US pint — 236.59 ml. American recipes measure almost everything in cups, which is why cup conversions are among the most searched on the web.
The imperial (UK) gallon is 4.54609 liters — about 20% larger than the US gallon. Confusing the two is a classic source of fuel-economy errors.
US cup to UK gallon conversion table
| US cup (cup) | UK gallon (gal (UK)) |
|---|---|
| 0.01 cup | 0.00052042 gal (UK) |
| 0.1 cup | 0.005204 gal (UK) |
| 0.25 cup | 0.013011 gal (UK) |
| 0.4 cup | 0.020817 gal (UK) |
| 0.75 cup | 0.039032 gal (UK) |
| 1.25 cup | 0.065053 gal (UK) |
| 1.75 cup | 0.091074 gal (UK) |
| 2.5 cup | 0.130105 gal (UK) |
| 3.5 cup | 0.182147 gal (UK) |
| 4.5 cup | 0.23419 gal (UK) |
| 6 cup | 0.312253 gal (UK) |
| 8 cup | 0.416337 gal (UK) |
| 10 cup | 0.520421 gal (UK) |
| 12 cup | 0.624506 gal (UK) |
| 14 cup | 0.72859 gal (UK) |
| 16 cup | 0.832674 gal (UK) |
| 18 cup | 0.936758 gal (UK) |
| 20 cup | 1.0408 gal (UK) |
| 24 cup | 1.249 gal (UK) |
| 26 cup | 1.3531 gal (UK) |
| 30 cup | 1.5613 gal (UK) |
| 35 cup | 1.8215 gal (UK) |
| 45 cup | 2.3419 gal (UK) |
| 55 cup | 2.8623 gal (UK) |
| 65 cup | 3.3827 gal (UK) |
| 75 cup | 3.9032 gal (UK) |
| 85 cup | 4.4236 gal (UK) |
| 95 cup | 4.944 gal (UK) |
| 110 cup | 5.7246 gal (UK) |
| 125 cup | 6.5053 gal (UK) |
| 175 cup | 9.1074 gal (UK) |
| 250 cup | 13.0105 gal (UK) |
| 350 cup | 18.2147 gal (UK) |
| 450 cup | 23.419 gal (UK) |
| 600 cup | 31.2253 gal (UK) |
| 750 cup | 39.0316 gal (UK) |
| 900 cup | 46.8379 gal (UK) |
| 1,500 cup | 78.0632 gal (UK) |
| 2,500 cup | 130.1053 gal (UK) |
| 10,000 cup | 520.4214 gal (UK) |
Need the opposite direction? Use the UK gallon to US cup converter, or read our complete guide to volume conversions for every formula in one place.
Frequently asked questions
How many UK gallons are in one us cup?
One us cup equals 0.052042 UK gallons. Multiply any us cup value by 0.05204214 to get UK gallons.
What is 10 US cups in UK gallons?
10 US cups equal 0.520421 UK gallons (10 × 0.052042).
Is the us cup to uk gallon conversion exact?
The conversion factor used here (0.0520421365) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.