Ye Olde Apothecaries' System

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Ye Olde Apothecaries' System

The apothecaries' system uses the following units to measure liquid volume and solid weight.

*Liquid volume*
60 minims (m) = 1 fluidram
8 fluidrams = 1 fluid ounce (fl oz)
16 fl oz = 1 pint (pt)
2 pt = 1 quart (qt)
4 qt = 1 gallon (gal)
*Solid weight*
60 grains (gr) = 1 dram
8 drams = 1 oz
12 oz = 1 pound (lb)