Gran

1

The smallest unit of mass in German apothecaries’ weight, 1/5760 of a Pfund, Medicinalpfund, or Apothekenpfund.  In the Nürnberg system, about 62.1 milligrams; in the Prussian system, about 60.8 mg. link to a chart showing relationships between units in German apothecaries weight

2

In German-speaking Europe, ? - 19th century, a very small unit of mass used in weighing gold = ¼th of a Karat. In Prussia, by law 1 Gran = 1/288th of the gold Mark, about 812 milligrams.¹ The Gran of Cologne (and Berlin and Hamburg) was about 51.375 mg. In Frankfurt am Main, the Gran = 1/1152 Mark, about 51.45 mg.

In Luxemburg, about 54.2 mg.²

In Austria, the Gran was about 51.525 milligrams.

1. Anweisung zur Verfertigung der Probemaße und Gewichte nach der Maß- und Gewicht-Ordnung vom 16.Mai 1816. Section 20.

2. Offizielles Journal des Groß-Herzogthums Lützemburg. 23 March 1815. Luxemburg.

3

In Norway, a unit of mass = 1/16 �s = 1/276 ort. In commercial weight, 3.80 milligrams. In mint weight, 3.57 milligrams. In apothecaries' weight, 62.1 milligrams.

4

In Denmark, a unit of mass in apothecaries' weight, = 1/480 unse = 1/20 skrupel, about 62.1 milligrams.

5

In Norway and Denmark, a measure of the fineness of precious metals:

For gold, = ¼ karat = ¹⁄₉₆ gold mark, about 1.04%

For silver, ¹⁄₁₆ lodd = ¹⁄₉₆ silver mark, about 1.04%

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