Direct conversion
Convert gallon (UK) [gal UK] to quart (US) [qt US] instantly with formula, examples, chart, and FAQs.
1 gallon (UK) [gal UK] = 4.8038 quart (US) [qt US]
1 gallon (UK) [gal UK] = 4.8038 quart (US) [qt US]
Example: 1 gallon (UK) [gal UK] equals 4.8038 quart (US) [qt US].
Volume conversions use cubic metre as the reference unit. US liquid units, metric litres, and cubic units are converted with fixed factors stored in the unit table.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The gallon (UK) (gal UK) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse gallon (UK) when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
The quart (US) (qt US) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse quart (US) when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
| gallon (UK) [gal UK] | quart (US) [qt US] |
|---|---|
| 1 | 4.8038 |
| 2 | 9.607599 |
| 5 | 24.018999 |
| 10 | 48.037997 |
| 20 | 96.075994 |
| 25 | 120.094993 |
| 50 | 240.189985 |
| 100 | 480.37997 |
| 1000 | 4803.799702 |
Use this formula: 1 gallon (UK) [gal UK] = 4.8038 quart (US) [qt US] Enter your value in the calculator and the result updates instantly.
1 gallon (UK) [gal UK] equals 4.8038 quart (US) [qt US].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.