UK Gallons to Quarts Converter (gal (UK) to qt)

How to convert imperial gallons to US quarts

Formulaqt = gal (UK) × 4.803799702

Multiply the value in imperial gallons by 4.803799702. To go the other way, multiply by 0.2081685462 (or divide by 4.803799702).

An imperial gallon is larger than an US quart: one imperial gallon contains 4.803799702 US quarts.

Worked examples

1 imperial gallon1 gal (UK) × 4.803799702 = 4.803799702 qt
5 imperial gallons5 gal (UK) × 4.803799702 = 24.01899851 qt
10 imperial gallons10 gal (UK) × 4.803799702 = 48.03799702 qt
20 imperial gallons20 gal (UK) × 4.803799702 = 96.07599404 qt
100 imperial gallons100 gal (UK) × 4.803799702 = 480.3799702 qt

Imperial gallons to US quarts conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Imperial gallons to US quarts: 0.1–10 gal (UK)
Imperial gallons (gal (UK))	US quarts (qt)
0.1 gal (UK)	0.48037997 qt
0.25 gal (UK)	1.2009499 qt
0.5 gal (UK)	2.4018999 qt
1 gal (UK)	4.8037997 qt
2 gal (UK)	9.6075994 qt
3 gal (UK)	14.411399 qt
4 gal (UK)	19.215199 qt
5 gal (UK)	24.018999 qt
6 gal (UK)	28.822798 qt
7 gal (UK)	33.626598 qt
8 gal (UK)	38.430398 qt
9 gal (UK)	43.234197 qt
10 gal (UK)	48.037997 qt

Imperial gallons to US quarts: 12–1,000 gal (UK)
Imperial gallons (gal (UK))	US quarts (qt)
12 gal (UK)	57.645596 qt
15 gal (UK)	72.056996 qt
20 gal (UK)	96.075994 qt
25 gal (UK)	120.09499 qt
30 gal (UK)	144.11399 qt
40 gal (UK)	192.15199 qt
50 gal (UK)	240.18999 qt
75 gal (UK)	360.28498 qt
100 gal (UK)	480.37997 qt
250 gal (UK)	1,200.9499 qt
500 gal (UK)	2,401.8999 qt
1,000 gal (UK)	4,803.7997 qt

About the units

Imperial gallon (gal (UK))

Exactly 4.54609 L, about 1.2 US gallons. Used in the UK for fuel economy (mpg) figures. One imperial gallon equals 0.00454609 cubic meters (m³).

US quart (qt)

A quarter of a US gallon: 0.946352946 L, or two US pints. One US quart equals 0.000946352946 cubic meters (m³).

Frequently asked questions

How many US quarts are in one imperial gallon?

There are 4.803799702 US quarts in one imperial gallon, and this value is exact by definition.

How do I convert imperial gallons to US quarts?

Multiply the number of imperial gallons by 4.803799702. For example, 10 gal (UK) × 4.803799702 = 48.03799702 qt.

How many imperial gallons are in one US quart?

One US quart equals 0.2081685462 imperial gallons. That is the reverse factor, 1 ÷ 4.803799702.

What is 10 imperial gallons in US quarts?

10 gal (UK) = 48.03799702 qt.

Is this gal (UK) to qt converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

UK Gallons to Quarts Converter