Unit Equivalents
Mass
	1 kg	2.21 lb
	2.21 lb	0.4525 kg
Length
	1 m	39.4 in	3.28 ft
	1 ft	12 in	0.3049 m
	1 in	2.54 cm	25.4 mm
Angular Measure
	1 rad	57.3 d
	p rad	180 d
Energy and Power
	1 J	0.239 cal	0.738 ft*lb	1 W*S
	1 HP	746 W	550 ft*lb/S
Magnetism
	1 T	1 Wb/m^2	10,000 gauss
	1 mT	10 gauss
	0.1 mT	1 gauss
	1 A/m	0.01257 oersted
	1 oersted	79.55 A/m
	mo	1.26*10^-6 H/m