Convert from tonelada [Spain] to quartern

Unit Definition (tonelada [Spain])
The tonelada [Spain] is a traditional weight unit of Spain corresponding to the English and metric ton. The traditional Spanish tonelada equals 2000 libras or about 2028 pounds (919.9 kilograms).

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.