1 US quart in US gallons

Conversion

1 US quart is equivalent to 0.25 US gallons.^[1]

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 4 times 1 US quart.

It can also be expressed as: 1 US quart is equal to $\frac{1}{4}$ US gallons.

Approximation

An approximate numerical result would be: one US quart is about zero US gallons, or alternatively, a US gallon is about zero times one US quart.

Units involved

This is how the units in this conversion are defined:

Us Quarts

"All traditional U.S. length and volume measures have been legally standardized for commerce by the international yard and pound agreement of 1959 using the definition of 1 yard being exactly equal to 0.9144 meter."

Wikipedia page of US quarts

Us Gallons

"The US gallon is legally defined as 231 cubic inches, which is exactly 3.785411784 liters.[2][3] A US liquid gallon of water weighs about 8.34 pounds or 3.78 kilograms at 62 °F (17 °C), making it about 16.6% lighter than the imperial gallon. There are four quarts in a gallon, two pints in a quart and 16 US fluid ounces in a US pint, which makes the US fluid ounce equal to 1⁄128 of a US gallon."

Wikipedia page of US gallons

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.