Quarts to liters (litre) conversion factors are listed below (for UK and US for both fluid and dry measurements). To find out how many liters in quarts, multiply by the right conversion factor or simply use the converter.
1 Quart [Fluid, US] = 0.946352946 Liter
1 Quart [Dry, US] = 1.10122095 Liter
1 Quart [UK] = 1.1365225 Liters
For example, to find out how many liters of water or milk there are in one and a half (1 1/2) US quarts, multiply the quart value by the conversion factor, (1.5) * 0.946352946 = 1.42 liters of water or milk.
For your information, 1 US quart of water weighs about 2.08 lbs or 33.38 ounces or 0.946 kilograms (1 kilogram equals to 1 liter of water by definition). 1 US quart of milk weighs about 2.15 pounds, or 34.4 ounces or 0.975 kilograms (it can be a bit lighter or heavier based on the fat percentage).
UK quarts are larger than the rest of them, so the heaviest. 1 UK quart of water weighs 2.5 lbs or 40 ounces or about 1.1365 kilograms. 1 UK (imperial) quart of milk weighs about 2.575 pounds, or 41.2 ounces or 1.17 kilograms (it can be a bit lighter or heavier based on the fat percentage).
Quart is an imperial and US customary volume unit. There is one type of quart in imperial system and 2 types (liquid and dry) in US customary system. US quart is larger than the liter, and UK (imperial) quart is the largest, so has more capacity. The abbreviation is "qt".
Liter is a volume unit which equals to 1 cubic decimeter. 1 liter of water has a mass about 1 kilogram. The abbreviation is "L".