Given: Convert Each of the Given Quantities to the Equivalent $\frac { 1 } { 4 } =$

Given: Convert each of the given quantities to the equivalent unit indicated. Your answers must be in the proper form for the metric, household, or apothecary system measurement requested in the question.
Convert each of the given quantities to the equivalent unit indicated.
-gr $\frac { 1 } { 4 } =$ __________ mg