Convert milligram to gigagram
Selected category: mass.
Definition and details for milligram:
Milligram (mg) is a very common SI unit of mass equal to 0.001 gram.
Definition and details for gigagram:
Gigagram (Gg) is an SI unit of mass equal to 109 grams, or one million kilograms, or 1 kilotonne (1000 metric tons). Gigagram is usually used in scientific contexts.