Gills (US) to quarts (US liquid) conversion calculator shown above calculates how many quarts (US liquid) are in 'X' gills (US) (where 'X' is the number of gills (US) to convert to quarts (US liquid)). In order to convert a value from gills (US) to quarts (US liquid) simply type the number of gills (US) to be converted to qt and then click on the 'convert' button.