As in the case of the Danes, the Norwegians' earliest standards of measure can be derived from their ship burials.
700 AD and differs from the Danish boats less than it does from the Oseberg, Gokstad and Tune ships which all date from ca.
Thwarts are typically spaced about 3 Norwegian feet (0.94 m; 3.1 ft) apart.
Subsequently, the alen was defined by law as 2 Rhine feet from 1683.
From 1824, the basic unit was defined as a fot being derived from astronomy as the length of a one-second pendulum times 12/38 at a latitude of 45°.