Milliliters to quarts (US liquid) converter on this page calculates how many quarts (US liquid) are in 'X' milliliters (where 'X' is the number of milliliters to convert to quarts (US liquid)). In order to convert a value from milliliters to quarts (US liquid) (from mL to qt) type the number of mL to be converted to qt and then click on the 'convert' button.