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Questions and answers on how to convert things from one unit or system to another

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convert 4 ounces to troy ounces

Fri Sep 30, 2011 10:19 pm

It gives me the same answer and doesn' seem to convert from apothocary to troy or vice versa. Also the apothocary ounce to pound ratio is off. This leads me to suspect the entire conversion chart. It is me?

Re: convert 4 ounces to troy ounces

Mon Oct 03, 2011 4:23 pm

caribart wrote:It gives me the same answer and doesn' seem to convert from apothocary to troy or vice versa. Also the apothocary ounce to pound ratio is off. This leads me to suspect the entire conversion chart. It is me?


See http://en.wikipedia.org/wiki/Apothecaries%27_system:
Wikipedia wrote:The apothecaries' system of weights is a historical system of mass units that were used by physicians and apothecaries for medical recipes, and also sometimes by scientists. The English version of the system is closely related with the English troy system of weights, the pound and grain being exactly the same in both


So apothecary (English version) and troy ounces are indeed equal.