Convert US quart to imperial gallon

1 qt = 0.2081685462 imp gal

sig figs
1 qt = 0.208 imp gal
1 qt in every volume unit
cubic millimeter946,000 mm³
microliter946,000 μL
milliliter946 mL
cubic centimeter946 cm³
US teaspoon192 tsp
centiliter94.6 cL
US tablespoon64 tbsp
cubic inch57.8 in³
imperial fluid ounce33.3 imp fl oz
US fluid ounce32 fl oz
deciliter9.46 dL
US cup4 cup
US pint2 pt
imperial pint1.67 imp pt
US quart1 qt
liter0.946 L
cubic decimeter0.946 dm³
imperial quart0.833 imp qt
board foot0.401 fbm
US gallon0.25 gal
imperial gallon0.208 imp gal
cubic foot0.0334 ft³
US bushel0.0269 bu
hectoliter0.00946 hL
US beer barrel0.00806 bbl beer
oil barrel0.00595 bbl
cubic yard0.00124 yd³
cubic meter0.000946 m³
kiloliter0.000946 kL
hundred cubic feet0.000334 CCF
cord0.000261 cord
acre-foot7.67e-07 ac·ft
million US gallons2.50e-07 MG
cubic kilometer9.46e-13 km³
How the conversion works

Multiply by 0.2081685462 to go from US quart to imperial gallon, or divide by it to go back. Every conversion on this site routes through the SI value (m³) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? imperial gallon to US quart: 1 imp gal = 4.803799702 qt.

US quart to imperial gallon: common values
1 qt0.20816855 imp gal
2 qt0.41633709 imp gal
3 qt0.62450564 imp gal
5 qt1.0408427 imp gal
10 qt2.0816855 imp gal
15 qt3.1225282 imp gal
20 qt4.1633709 imp gal
25 qt5.2042137 imp gal
50 qt10.408427 imp gal
75 qt15.612641 imp gal
100 qt20.816855 imp gal
250 qt52.042137 imp gal
500 qt104.08427 imp gal
1000 qt208.16855 imp gal