The metrical system is based on all areas worldwide today Dimensions, In addition, in many European countries, some very old measures are still in use. In viticulture in Europe are usually hectares (Hectar), in the Anglo-American area mostly Acres for the size of vineyards common. The old measures used to be based on the use of land. The names or Sizes were due to labor - whether a vineyard dug up, sown or plowed a field, or a meadow was mowed. The area that a man could pierce with a spade on a vineyard in one day yielded a grave. The morning and the yoke were the size of arable land that could be plowed up one morning. A tagmahd or man's mahd corresponded to the area a mower managed to mow in one day.
In addition to the workload, seed and harvest were also used as a criterion for area determination. In the case of fields, it was the amount of seed specified by a measure (Metzen, Mutt, Star), and in the case of meadows, the income unit generated (Fuder, Heufuder). The area sizes were often different and differed from region to region. They were not exact sizes, but rough approximations. Even within one country there was no great need for standardization, because the basic traffic was handled locally. It was not until the end of the 18th century that precisely measured sizes were introduced on the basis of standard dimensions. Such was the square fathom before the introduction of the metric system.