The dram conversion selector above selects the mass/weight measurement unit to convert to starting from drams (dr). To make a conversion starting from a unit of mass other than dram, simply click on the "Reset" button.
The dram is a unit of mass in the US customary system of units equal to about 0.001771845 kilograms (1 dr = 0.001771845 kg), the base unit of mass in the International System of Units (SI).
One dram (dr) is also equal to about 1.771845 grams (g) or 1,771.845 milligrams (mg) (SI units of mass), or 0.00390624 pounds (lb) or 0.0625 ounces (oz), which are US customary / Imperial units of mass.
Over time, various drams and variations on the drams have been recorded. Examples of dram units include:
- The Greek drachm, equal to about 4.37 × 10-3 kilograms
- The Roman drachm, equal to about 3.41 × 10-3 kilograms
- The Apothecaries' dram, equal to 3.8879346 × 10-3 kilograms
Also called: drachm (plural: drachms, symbol: dr, the Imperial system of units)