Q stands for quart.... soo... yeah.
1 Q = 1 Quart
There are 32 fluid Ounces to a Quart.
2 cups in a pint. So about 4 in a quart.
1 quart is about 946.35 milliliters Source: http://www.Google.com/search?hl=en&q=1+quart+to+milliliters
Divide the number of quarts by 4 to get the number of gallons. e.g. 20 quarts is 5 gallons, 1 quart is .25 gallons, etc. The name "quart" is for "quarter of a gallon."
quart
Two pints in a quart
Quart
32 ounces in a quart
946.352946 ml == Source: google [http://www.google.com/search?q=1+quart+in+ml 1 quart in ml]
quart quirt quince quill
2 Pints in a Quart
quit or quart