Convert from etto [Italy] to momme [Japan]

Unit Definition (etto [Italy])
The etto is an informal Italian name for the hectogram, a unit of mass equal to 100 grams or about 3.5274 ounces.

Unit Definition (momme [Japan])
The momme [Japan] is a traditional Japanese weight unit corresponding to the Chinese mace. Jewelers continue to use the momme to measure the weight of cultured pearls; for this purpose it equals exactly 3.75 grams (about 0.132 ounce) or 18.75 carats. The unit is commonly pronounced "mommy" in English.