Convert from carat [metric] to once [France]

Unit Definition (carat [metric])
A metric carat defined in 1907 to be exactly 200 milligrams.

Unit Definition (once [France])
The onça, once, oncia, onza is traditional names for the ounce unit in Romance languages. The French once equals 1/16 livre or about 30.59 grams (1.079 ounce).