How this calculator works
This page starts with the US customary cup of exactly 236.5882365 mL. There are exactly 4 US cups in one US liquid quart. A metric cup is 250 mL and a US legal nutrition cup is 240 mL, so changing the cup definition changes the answer. The imperial column uses the imperial gallon divided into eight pints or four quarts. For a custom imperial cup, enter its measured volume using the related general converter.
Formula
US liquid quarts = US cups / 4; US cups = US liquid quarts x 4; mL = US cups x 236.5882365.
Worked example
12 US cups is exactly 3 US liquid quarts. In reverse, 0.5 US liquid quart is 2 US cups.
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Frequently asked questions
Which cup is selected first?
The US customary cup. You can select the 250 mL metric cup or the 240 mL US legal cup in the input.
Are these dry measures?
No. The main output is a US liquid measure. US dry pints and quarts use another definition.
Can I use this for flour?
It converts the space occupied, not ingredient mass. Flour packing changes grams per cup; use a density-based tool for mass.