Dram (avoirdupois) is mass unit, symbol: [dr av]. Definition of 1 dram (avoirdupois) ≡ 27 11⁄32 gr = 27.34375 gr. The dram was originally both a coin and a weight in ancient Greece. = 875/32 grain = 1.7718451953125 g. Compared to Kilogram, dram (avoirdupois) is smaller unit.
• 1 [dr av] = (exactly) `1.7718451953125*10^-03` [kg]
• 1 [kg] = (exactly) `1/(1.7718451953125*10^-03)` [dr av] = 564.38339119329 [dr av]
Multiply convert of dram (avoirdupois) to common mass units:[dr av]
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National Institute of Standards and Technology (October 2011). Butcher, Tina; Cook, Steve; Crown, Linda et al. eds. Appendix C – General Tables of Units of Measurement (PDF) p. C-6. http://www.nist.gov/pml/wmd/pu...