Convert attometer to megalithic yard
Selected category: length.
Definition and details for attometer:
One attometer (am) is a metric unit of distance equal to 10-18 meter.
Definition and details for megalithic yard:
Megalithic yard is a unit of length used in the construction of megalithic monuments such as Stonehenge. In 1951 the Scottish engineer Alexander Thom (1894-1985) defined this unit equal to about 82.91 cm.