Convert from carat [metric] to onca [Portuguese]

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

Unit Definition (onca [Portuguese])
The onça, once, oncia, onza is traditional names for the ounce unit in Romance languages. The Portuguese onça and Spanish onza equal 1/16 libra or about 28.69 grams (1.012 ounce).