Unit of Volume
The fluid dram is defined as 1⁄8 of a fluid ounce, and is exactly equal to:
- 3.696697109375 ml in US customary units
- 3.5516328125 ml in British Imperial units
A teaspoonful has been considered equal to one fluid dram for medical prescriptions. However, by 1876 the teaspoon had grown considerably larger than it was previously, measuring 80–85 minims. As there are 60 minims in a fluid dram, using this equivalent for the dosage of medicine was no longer suitable. Today's teaspoon is equivalent to approximately 1 1⁄3 US fluid drams, or 80 US minims.
Dram is also used informally to mean a small amount of spirituous liquor, especially Scotch whisky. In Scotland a "wee dram" of whisky is around 37 ml.
Read more about this topic: Dram (unit)
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