Mithqal

Mithqāl (Arabic: مثقال) is a unit of mass equal to 4.25 grams (0.137 ozt) which is mostly used for measuring precious metals, such as gold, and other commodities, like saffron.

Other variants of the unit in English include miskal (from Persian or Urdu مثقال; misqāl), mithkal, mitkal and mitqal.

[6] A gold coin minted in Nikki, Benin and known as the mithqal was in wide circulation in West Africa in the 18th century, particularly the Niger bend.

[7] The mithqāl in another more modern calculation is as follows: Nakhud is a Baháʼí unit of mass used by Bahá'u'lláh.

[8] The mithqāl had originally consisted of 24 nakhuds, but in the Bayán, the collective works of the Báb, this was reduced to 19.