How much is 150g?

0.3 kg.

According to the conversion of the query quality unit, 1g is equal to 0.002g. By calculating: 150*0.002=0.3, it is concluded that 150g is 0.3kg. ..

Gram, quantifier. A unit of mass in a legal unit of measurement. 1000 mg equals 1 g, 1000 g equals 1 kg, 1 kg equals 500 g.