Hanseatic League and Dutch ships’ capacity was defined in the late
Middle Ages by a volumetric unit used for cereals (
), which had a
weight equivalent in pounds.
was initially the load of a four-wheel wagon.
Then it was
defined in different ways in different harbors:
of rye = 3.105 m
or 2,257 Kgf.
of grain = 3.159 m3;there was another unit:
= 2,000 Hamburg pounds = 1,935 Kgf.
… but 2,000 Amsterdam pounds = 1,976 Kgf.