Weight Calculator by Mark Weight ConverterConvert weight from one unit to another. Enter a value and select the units to calculate the equivalent weight. From Value: From Unit: kilogramgrammilligramtonpound (lb)ouncecaratatomic mass unitgrainquarter [US]quarter [UK]stone [US]stone [UK] = To Value: To Unit: kilogramgrammilligramtonpound (lb)ouncecaratatomic mass unitgrainquarter [US]quarter [UK]stone [US]stone [UK] Convert Clear