How Big is a Milligram? Definition and Examples

A milligram is a unit of weight in the metric measurement system that is equal to one thousandth of a gram.

1 milligram  = (1/1000) g or 1 gram = 1000 milligrams

The milligram is used to measure the weight of things that are extremely light.

Things That Can Have a Weight of Approximately 1 Milligram

• An extremely small insect such as a parasitic wasp

• A cluster of dust particles

• A pinch of powdered sugar

• The skin of a small grape

• A tiny piece of fingernail