Troy ounce to Dram

How it is calculated

Each unit is defined via the base unit (kilogram (kg)). The value is first converted to the base unit, then to the selected unit.

1 oz t = 0.0311034768 kg

1 dr = 0.00177184519531 kg

1 oz t × 0.0311034768 = 0.0311034768 kg

0.0311034768 kg ÷ 0.00177184519531 = 17.5542857143 dr