Convert imperial gallons (gal (UK)) to US liquid quarts (qt (US)).
Volume converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
gal (UK)
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LitreL
MillilitremL
Cubic metrem³
Cubic centimetrecm³
Cubic footft³
Cubic inchin³
US liquid gallongal (US)
Imperial gallongal (UK)
US fluid ouncefl oz (US)
Imperial fluid ouncefl oz (UK)
US customary cupcup (US)
Metric cupcup (metric)
US liquid pintpt (US)
US liquid quartqt (US)
Imperial pintpt (UK)
Imperial quartqt (UK)
US customary teaspoontsp (US)
US customary tablespoontbsp (US)
Metric teaspoon (5 mL)tsp (metric)
Metric tablespoon (15 mL)tbsp (metric)
Cubic yardyd³
Imperial gillgi (UK)
Imperial peckpk (UK)
Imperial bushelbu (UK)
Imperial fluid drachmfl dr (UK)
Imperial minimminim (UK)
No units found. Try a name or symbol.
4.803799702
qt (US)
esc
LitreL
MillilitremL
Cubic metrem³
Cubic centimetrecm³
Cubic footft³
Cubic inchin³
US liquid gallongal (US)
Imperial gallongal (UK)
US fluid ouncefl oz (US)
Imperial fluid ouncefl oz (UK)
US customary cupcup (US)
Metric cupcup (metric)
US liquid pintpt (US)
US liquid quartqt (US)
Imperial pintpt (UK)
Imperial quartqt (UK)
US customary teaspoontsp (US)
US customary tablespoontbsp (US)
Metric teaspoon (5 mL)tsp (metric)
Metric tablespoon (15 mL)tbsp (metric)
Cubic yardyd³
Imperial gillgi (UK)
Imperial peckpk (UK)
Imperial bushelbu (UK)
Imperial fluid drachmfl dr (UK)
Imperial minimminim (UK)
No units found. Try a name or symbol.
CONVERSION
1 gal (UK) ≈ 4.803799702 qt (US)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAqt (US) = gal (UK) × 4.80379970201942
FORMULA & EXAMPLES
How to convert Imperial gallons to US liquid quarts
qt (US) = gal (UK) × 4.80379970201942
Multiply the gal (UK) reading by 4.80379970201942.
Worked examples
1 gal (UK) ≈ 4.803799702 qt (US)
1 × 4.80379970201942 ≈ 4.803799702
5 gal (UK) ≈ 24.01899851 qt (US)
5 × 4.80379970201942 ≈ 24.01899851
Frequently asked questions
Why do UK and US capacity readings differ?
The Imperial gallon is 4.54609 L, while the US liquid gallon is 3.785411784 L. Each system has 8 pints and 4 quarts per gallon. An Imperial gallon contains 160 Imperial fluid ounces; a US gallon contains 128 US fluid ounces.
Imperial gallons to US liquid quarts table
Fixed reference · Imperial gallon to US liquid quart
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Imperial gallon (gal (UK))
US liquid quart (qt (US))
0
0
0.1
0.4803799702
0.5
2.401899851
1
4.803799702
2
9.607599404
5
24.01899851
10
48.03799702
25
120.0949926
50
240.1899851
100
480.3799702
1000
4803.799702
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.