Klafter Explained

The klafter is an historical unit of length, volume and area that was used in Central Europe.

Unit of length

As a unit of length, the klafter was derived from the span of a man's outstretched arms and was traditionally about 1.80 metres (m). In Austria, its length was, for example, 1.8965 m, in Prussia 1.88 m. In Bavaria, however, a klafter was only 1.751155 m, in Hesse it was significantly larger at 2.50 m. The Viennese or Lower Austrian klafter was fixed by Rudolf II as a measure of length as of 19 August 1588.[1] When, in 1835, the Swiss units were defined using the metric system, 1 Swiss klafter (of 6  Swiss feet each of 0.30 m) corresponded exactly to 1.80 m.

In Aachen, Baden, Bavaria, Bohemia, Hamburg, Leipzig, Poland, Trier and Zürich the klafter was exactly six feet, but in the Canton of Fribourg it measured 10 feet.[2]

In nautical units of depth, the klafter corresponds to the fathom.

Baseline

The survey of Austria-Hungary began in 1762 with the construction of the Vienna Neustadt Baseline (Wiener Neustädter Grundlinie) which was 6,410, later 5,000, klafters long, represented by 5 measuring rods of 1 klafter in length made of varnished wood.

Unit of volume

The old unit of dry volume for split firewood, or Scheitholz, was based on this unit of length. A klafter of wood corresponded to a stack of wood with a length and height of one klafter; the depth of this pile corresponded to the length of the log but, as a rule was 3 feet long, that is 0.5 klafters. The volume of a pile of logs was therefore only 0.5 cubic klafters. This in turn corresponded, depending on the area, to 3 to 4 steres or approximately 2 to 3 m³ of wood. The old Prussian klafter corresponded to 3.339 m³; in Austria, a klafter was equivalent to 3.386 m³.[3] By comparison the North American cord, used to measure firewood and pulpwood, is slightly larger at 3.62 m³.[4]

In Switzerland, Werdenfelser Land and parts of Lower Franconia, a klafter of logs corresponds to 3.0 m³ (steres) of stacked firewood since the introduction of the metric system. Usually the logs are 1 m long. One klafter of firewood is thus equivalent to about 2.2 m³.

Hay was also sometimes measured in klafters in the 19th century.[5]

The cubic klafter was not standardised as the length of a foot varied depending on the region. The cubic klafter used for wood could also differ. Here is an example of the Austrian units.[6]

The cubic foot generally had 1,728 cubic inches, each with 1,728 cubic lines, each with 1,728 cubic points.

The Rahmklafter,[7] as the unit of timber measurement was called in Austria, was defined for long and short firewood as follows:

Two klafters were counted for one Stoß or livestock unit.

Unit of area

In Austria, 1 yoke (Joch, with which the size of fields was measured) comprised 1,600 square klafters with sides measuring 8 by 200 klafters, thus about 5,754 m2 and 0.575 ha, respectively. 1 square klafter (Viennese) was equivalent to 3.5979 square metres.[8]

In Croatia, the square klafter was used as unit of area and equalled 3.596652 m2. It is sometimes still used today.[9]

In the Swiss Chur Rhine Valley and the Prättigau, the meadowland was measured in klafters.[5]

In the adjoining Principality of Liechtenstein, the square klafter is still used today for the measurement of land areas. 1 m2 equals 0.27804 square klafters, 1 square klafter equals 3.59665 m2. The klafter as a unit of length was consequently about 1.8965 metres long.

In Darmstadt, 1 square klafter = 100 square feet = 10,000 square inches = 6.25 square metres.[10]

Similar units in other countries

Conversion table of 1838[11]

See also

References

  1. Joseph Jäckel: Zimmentirungslexikon für alle Handels- und Geschwerbsleute nach den österreichischen Zimmentirungsschriften. Anton Strauß, Vienna, 1824, p. 108.
  2. Johann Friedrich Krüger: Vollständiges Handbuch der Münzen, Maße und Gewichte aller Länder der Erde. Verlag Gottfried Basse, Quedlinburg/Leipzig, 1830, pp. 138, 219.
  3. Peters: Rechne, schreibe, rechne richtig! Fully revised edition. Buchgemeinschaft Donauland, Vienna, 1964, p. 456.
  4. Web site: British Columbia Ministry of Forests and Range . Glossary of Forestry Terms in British Columbia . 2008-09-04 .
  5. 'Swiss Idiotikon' Vol. III, Col. 633, article Chlāfter.
  6. Benjamin Scholz, Joseph Franz Jacquin: Anfangsgründe der Physik als Vorbereitung zum Studium der Chemie. Camesina Buchhandlung, Vienna, 1816, p. 133.
  7. Illustrierter Bürger-Calender für alle Kronländer der österreichischen Monarchie. 1852, Anton Schweiger, Vienna, 1852, p. 147.
  8. Johann Conrad Gernrath: Abhandlung der Bauwissenschaften oder Theoretisch-praktischer Unterricht in der gemeinen bürgerlichen Baukunst, in dem Strassenbau (etc.). J. Gastl, Brünn, 1825, p. 573.
  9. Web site: Subtitle: What is klafter?. 2 November 2020. Herman. Ivan Goran. Regionalni dnevnik Varaždin.
  10. Christian Noback, Friedrich Eduard Noback: Vollständiges Taschenbuch der Münz-, Maass- und Gewichtsverhältnisse, der Staatspapiere, des Wechsel- und Bankwesens und der Usancen aller Länder und Handelsplätze. Vol. 1, FA Brockhaus, Leipzig, 1851, pp. 215, 463.
  11. Gesellschaft Gelehrter und praktischer Kaufleute: Allgemeine Enzyklopädie für Kaufleute und Fabrikanten so wie für Geschäftsleute überhaupt: oder, Vollständiges Wörterbuch. Verlag Otto Wigand, Leipzig, 1838.

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