Convert from seer [Pakistan] to tonneau [France]

Unit Definition (seer [Pakistan])
The seer [Pakistan] is a traditional weight unit in India and South Asia. In Pakistan, the seer is now considered equal to the kilogram. The unit is sometimes spelled ser.

Unit Definition (tonneau [France])
The tonneau is the traditional French ton, equal to 2000 livres or about 979 kilograms (1.079 U.S. ton). The tonneau was also used as a measure of volume equal to 42 cubic pieds (50.84 cubic feet, or about 1440 liters). In the wine trade, the tonneau was a shipment of 100 cases, or 1200 bottles (about 900 liters of wine).