4 1 2 fl oz July 8, 2019 16 32 64 128 4 1 2 fl oz to ml 1 4 cup 2 fl oz 1 4 cup plus 2 fl oz 2 1/4 cup to fl oz 4 fl oz to 2 1 2 quarts 4 fl. oz 2 4 fl oz 4 2 fl oz ml 2 fl. oz