Convert imperial quarts (qt (UK)) to US liquid gallons (gal (US)).
Volume converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
qt (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.
0.3002374814
gal (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 qt (UK) ≈ 0.3002374814 gal (US)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAgal (US) = qt (UK) × 0.300237481376214
FORMULA & EXAMPLES
How to convert Imperial quarts to US liquid gallons
gal (US) = qt (UK) × 0.300237481376214
Multiply the qt (UK) reading by 0.300237481376214.
Worked examples
1 qt (UK) ≈ 0.3002374814 gal (US)
1 × 0.300237481376214 ≈ 0.3002374814
4 qt (UK) ≈ 1.200949926 gal (US)
4 × 0.300237481376214 ≈ 1.200949926
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 quarts to US liquid gallons table
Fixed reference · Imperial quart to US liquid gallon
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Imperial quart (qt (UK))
US liquid gallon (gal (US))
0
0
0.1
0.03002374814
0.5
0.1501187407
1
0.3002374814
2
0.6004749628
5
1.501187407
10
3.002374814
25
7.505937034
50
15.01187407
100
30.02374814
1000
300.2374814
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.