Convert from quartern to quintal [Spanish]

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.

Unit Definition (quintal [Spanish])
The quintal [Spanish] is a traditional unit of weight in Spain. The Spanish quintal is 100 libras (about 46 kilograms or 101 pounds).