Systems of Measurements cont cgs -Gaussian system named for the first letters of the units it uses for fundamental quantities US Customary everyday units often uses weight, in pounds, instead of mass as a fundamental quantitySystems of Measurements, cont ◼ cgs – Gaussian system ◼ named for the first letters of the units it uses for fundamental quantities ◼ US Customary ◼ everyday units ◼ often uses weight, in pounds, instead of mass as a fundamental quantity