Which is bigger 1 liter or 1 quart?
So, 1 Liter is larger than a U.S. Liquid Quart by 54 mL, 1.8 U.S. fl. oz., or 3.3 cubic inches. As for the Imperial Quart, it’s bigger than a Liter and outdoes it by 136 mL, 4.8 Imperial fl. oz., or 8.3 cubic inches.
An easy way to figure from liters to gallons, for example, is that a quart is a little less than a liter and 4 liters is a little more than 1 gallon.