Question

How many kilograms are equal to 3.3 scruples? (In apothecaries’ measures: 1 scruple = 20 grains, 1 ounce = 480 grains, 1 gram = 0.03215 ounce)

Answer 1

1 scruple = 20 grains

1 grain = 64.79891 milligrams = 0.065 g = 0.000065 kg

3.3 scruples is equal to: 3.3 x 20 x 0.000065 = 0.0043 kg