Metric to	Imperial	Factor		Imperial to	Metric	Factor
mm	ins	x 25.4		ins	mm	x 0.03937
m	ft	x 0.3048		ft	m	x 3.2808
m	yds	x 0.9144		yds	m	x 1.0936
sq mm sq m sq m	sq ins sq ft sq yds	x 645.16 x 0.0929 x 0.8361		sq ins sq ft sq yds	sq mm sq m sq m	x 0.00155 x 10.7639 x 1.1960
cu cm	cu ins	x 0.0610		cu ins	cu cm	x 0.0610
cu m	cu ft	x 0.0283		cu ft	cu m	x 35.3147
kg kg tonnes	Ibs cwt tons	x 0.45359 x 50.8023 x 1.016		Ib cwt tons	kg kg tonnes	x 2.2046 x 0.01968 x 0.9842
kg/sq mm kg/sq m	Ibs/sq in Ibs/sq ft	x 0.0007031 x 4.882		Ib/sq in Ibs/sq ft	kg/sq m kg/sq m	x 1422.33 x 0.2048
kg/cu cm kg/cu m kg/cu m	Ib/cu in Ib/cu ft Ib/cu yd	x 0.0277 x 16.019 x 0.5933		Ib/cu in Ib/cu ft Ib/cu yd	kg/cu cm kg/cu m kg/cu m	x 36.1273 x 0.06243 x 1.68555
kg/m kg/m	Ib/ft Ib/yd	x 1.488 x 0.496		Ib/ft Ib/yd	kg/m kg/m	x 0.672 x 2.016

ins =	inches	mm =	millimetre
ft =	feet	cm =	centimetres
yds =	yards	m =	metres
lbs =	pounds	kg =	kilograms
cwt =	hundred weight	tonnes =	metric tons