ABSTRACT
Millimetre mm 1 in = 25.4mm 1mm = 0.0394 in Centimetre cm 1 in = 2.54 cm 1cm = 0.3937 in Metre m 1 ft = 0.3048m 1m = 3.2808 ft
1 yd = 0.9144m = 1.0936 yd Kilometre km 1mile = 1.6093 km 1km = 0.6214mile
Note: 1 cm = 10mm 1 ft = 12 in 1m = 1 000mm 1 yd = 3 ft 1 km = 1 000m 1mile = 1 760 yd
Area Unit Conversion factors
Square Millimetre mm2 1 in2 = 645.2mm2 1mm2 = 0.0016 in2
Square Centimetre cm2 1 in2 = 6.4516 cm2 1 cm2 = 1.1550 in2
Square Metre m2 1 ft2 = 0.0929m2 1m2 = 10.764 ft2
1 yd2 = 0.8361m2 1m2 = 1.1960 yd2
Square Kilometre km2 1mile2 = 2.590km2 1 km2 = 0.3861mile2
Note: 1 cm2 = 100mm2 1 ft2 = 144 in2
1m2 = 10 000 cm2 1 yd2 = 9 ft2
1 km2 = 100 hectares 1 acre = 4 840 yd2
1mile2 = 640 acres
Volume Unit Conversion factors
Cubic Centimetre cm3 1 cm3 = 0.0610 in3 1 in3 = 16.387 cm3
Cubic Decimetre dm3 1 dm3 = 0.0353 ft3 1 ft3 = 28.329 dm3
Cubic Metre m3 1m3 = 35.3147 ft3 1 ft3 = 0.0283m3
1m3 = 1.3080 yd3 1 yd3 = 0.7646m3
Litre l 1 l = 1.76 pint 1 pint = 0.5683 l = 2.113 US pt = 0.4733 US l
Note: 1 dm3 = 1 000 cm3 1 ft3 = 1 728 in3 1 pint = 20 fl oz 1m3 = 1 000 dm3 1 yd3 = 27 ft3 1 gal = 8 pints 1 l = 1 dm3
Neither the Centimetre nor Decimetre are SI units, and as such their use, particularly that of the Decimetre, is not widespread outside educational circles.
