Název jednotky: troy dram
Značka: dr.
Veličina: Hmotnost
Základní jednotka: kilogram
1 dry barrel US na pint UK1 inch na kilometry1 as na long hundredweight1 as na quadrans1 as na livre1 as na libra1 as na libra1 as na libra1 as na liang1 as na lékárenská libra1 as na kwan1 as na kvintlík1 as na kvintel1 as na kventlík1 as na kin