Convert from fotmal [lead] to millier

Unit Definition (fotmal [lead])
The fotmal is a traditional English unit of weight for lead. In medieval England the fotmal was equal to 70 "mercantile" pounds, which is equivalent to 72 avoirdupois pounds.

Unit Definition (millier)
The millier is a former name for the tonne or metric ton. This name, obsolete now, was used in Britain to avoid confusion with the British long ton.