Convert Gallon (UK) to US cups
Western Europe · UK vs US Volume · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Gallon (UK) = 19.2152 US cups
US cups = Gallon (UK) × 19.215199
Convert any amount
Gallon (UK) to US cups table
| Gallon (UK) | US cups |
|---|---|
| 0.25 Gallon (UK) | 4.8038 US cups |
| 0.5 Gallon (UK) | 9.6076 US cups |
| 1 Gallon (UK) | 19.2152 US cups |
| 2 Gallon (UK) | 38.4304 US cups |
| 3 Gallon (UK) | 57.6456 US cups |
| 4 Gallon (UK) | 76.8608 US cups |
| 5 Gallon (UK) | 96.076 US cups |
| 10 Gallon (UK) | 192.152 US cups |
| 20 Gallon (UK) | 384.304 US cups |
| 25 Gallon (UK) | 480.38 US cups |
| 50 Gallon (UK) | 960.76 US cups |
| 100 Gallon (UK) | 1,921.52 US cups |
About the Gallon (UK)
Imperial gallon = 4.546 liters. 20% larger than US gallon.
- Symbol
- gal UK
- Value in SI
- 1 Gallon (UK) = 4.54609 litre
- Typical use
- general
- 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 uk vs us volume 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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 (UK/Imperial) to US cupsConventional value
- Cup (Metric) to US cupsConventional value
- Fluid Ounce (UK) to US cupsConventional value
- Gallon (US) to US cupsConventional value
- Pint (UK) to US cupsConventional value
Related conversions
Frequently asked
How many US cups are in a Gallon (UK)?
1 Gallon (UK) = 19.2152 US cups. Multiply the number of Gallon (UK) by 19.215199 to get US cups.
What is Gallon (UK) used for?
Imperial gallon = 4.546 liters. 20% larger than US gallon. It is classified as active and dates from the modern period.
Is the Gallon (UK) 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 Gallon (UK) 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 Gallon (UK) to US cups. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/gallon-uk-to-us-cup
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