$0.1\,\text{kg}$等于$100\,\text{g}$,因为$1\,\text{千克}(\text{kg})$等于$1000,\text{克}(\text{g})$,0.1,\text{千克}$dfrac{0.1}{1000}=0.001$,也就是$100\,\text{克}$。