What is 21 Fluid Ounces in Imperial Fluid Ounces?
21 fl oz = 21.857675 imp fl oz
21 Fluid Ounces is equal to 21.857675 Imperial Fluid Ounces.
21 fl oz × 1.040842 = 21.857675 imp fl oz
21 Fluid Ounces is equal to 21.857675 Imperial Fluid Ounces.
21 fl oz × 1.040842 = 21.857675 imp fl oz