Convert from mace [China] to quartern

Unit Definition (mace [China])
The mace is a traditional Chinese unit for weighing precious metals, especially silver. In the European colonial period, the mace was considered equal to 0.1 tael or liang; this would be 2/15 ounce or about 3.78 grams.

Unit Definition (quartern)
The quartern is a traditional English unit of weight equal to 1/4 stone, 3.5 pounds, or about 1.5876 kilogram.