Convert from pond [Dutch] to gros

Unit Definition (pond [Dutch])
The pond is the Dutch pound, historically about 494 grams (1.089 English pounds). This unit was also used in the former Dutch Indies (now Indonesia) and throughout Southeast Asia. In the Netherlands, the pond has been reinterpreted now as a metric unit equal to exactly 500 grams (1.1023 pounds), like the German pfund.

Unit Definition (gros)
The gros is a traditional French weight unit equal to 3 deniers (about 3.824 grams).