Convert UK gallons to quarts

1 gal (UK)=4.8038qt

Use the converter below to change any UK gallons value into quarts instantly — with formula, conversion table, and real-world examples.

You have

Equals

4.8038

Conversion formula

Forward

quarts = UK gallons × 4.8038

Reverse

UK gallons = quarts × 0.2082

Example: 10 gal (UK) × 4.8038 = 48.038 qt.

About both units

From

UK Gallon

gal (UK)

The UK imperial gallon equals 4.54609 litres exactly. Defined in 1824 as the volume of 10 pounds of water at 62 °F. Still used for fuel economy reporting in the UK and some older industrial contexts. The UK imperial gallon is about 20% larger than the US gallon.

Real-world: UK petrol sold by litre since 1995, but economy is quoted in UK mpg: a diesel car at 60 mpg (UK) uses 4.7 L/100 km.

Read full uk gallon reference →

Quart

The US liquid quart equals 946 millilitres — 2 pints or 1/4 US gallon. The UK imperial quart (1.137 L) is larger, like the other UK liquid units. Quarts are used in US cooking recipes and for motor-oil bottles.

Real-world: A US quart of motor oil is 946 ml. A "quart of milk" in the US ≈ 1 L. UK "quart" is rare today.

Read full quart reference →

UK Gallon to Quart conversion table

Common UK gallons to quarts values for quick reference.

UK Gallon (gal (UK))	Quart (qt)
1 gal (UK)	4.8038 qt
2 gal (UK)	9.6076 qt
5 gal (UK)	24.019 qt
10 gal (UK)	48.038 qt
20 gal (UK)	96.076 qt
50 gal (UK)	240.19 qt
100 gal (UK)	480.38 qt
200 gal (UK)	960.76 qt
500 gal (UK)	2,401.9 qt
1,000 gal (UK)	4,803.8 qt

Tips & common mistakes

Quick tips

1 UK gallon = 4.54609 L exactly = 160 UK fluid ounces.
1 UK gallon ≈ 1.201 US gallons.
UK mpg × 0.832 = US mpg (same car, different unit).

Avoid these

Comparing UK mpg with US mpg directly — UK figures are about 20% higher for the same car.
Using 4.5 L instead of 4.546 L for precise conversion.
Assuming modern UK car ads quote US gallons — they always use UK gallons.

Frequently asked questions

How many quarts in a uk gallon?

One uk gallon equals 4.8038 quarts.

How do I convert UK gallons to quarts?

Multiply the uk gallon value by 4.8038 to get the equivalent in quarts.

What is 100 UK gallons in quarts?

100 UK gallons equals 480.38 quarts.

Is a uk gallon bigger than a quart?

Yes. 1 uk gallon equals 4.8038 quarts, so one uk gallon is larger.

How to convert UK gallons to quarts without a calculator?

Multiply by 4.8 for a quick estimate; use a calculator for precise results.

Related volume conversions

📊 See full comparison matrix →

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