The Arabic system of measurement is based on the Persian system^{[dubious – discuss]}. It was used in the Ottoman Empire.

[edit] Length

Table of length units
Unit	Plural	Relative value	Metric value	Notes
assbā		1/16 Arabic foot	~2.25 cm	A finger-length
cabda		1/4 Arabic foot	~9 cm	A palm-length
Arabic foot			~32 cm
cubit		Cubit, traditionally 2 Arabic feet, later 1.5 Arabic feet		A cubit-length
orgye		6 Arabic feet	~1.92 m	A pace-length
qasab		12 Arabic feet	~3.84 m	A cane-length
seir		600 Arabic feet	~192 m	Also noted as a stadion, a stadium-length.
ghalva		720 Arabic feet	~230.4 m
parasang		18000 Arabic feet	~5.76 km	From Ancient Mesopotamian (Iraqi) parasang. Roughly analogous to an English league.
barid		4 parasang	~23.04 km
marhala		8 parasang	~46.08 km	A village-length.

[edit] References

• Encyclopaedia of Scientific Units, Weights, and Measures: Their SI Equivalences and Origins, Springer, 2003, pp. 76–78, http://books.google.at/books?id=GV1aV7V7I00C&pg=RA1-PR31&dq=%22arabic+units%22&cd=1#v=onepage .

[edit] See also

• Awqiyyah, the Arabic ounce or half-pound, depending on region.
• Qafiz, an Arabic unit for measuring volumes.

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