DIMENSIONS

CCI
conversion
and
comparison
information
Imperial to Metric Conversion Factors - continued
Stress and Pressure pound force per square inch megapascal (newton per square mm) 1 lbf/in 2 = 0.006895 MPa (N/mm 2 )
pound force per square inch kilopascal (newton per square mm x 10 -3 ) 1 lbf/in 2 = 6.895 kPa (N/mm 2 x 10 -3 )
ton force per square inch megapascal (newton per square mm) 1 tonf/in 2 = 15.44 MPa (N/mm 2 )
1000 pound force per square inch megapascal (newton per square mm) 1 kip/in 2 = 6.895 MPa (N/mm 2 )
Mass per Unit Length pound per foot kilogram per metre 1 lb/ft = 1.488 kg/m
pound per yard kilogram per metre 1 lb/yd = 0.4961 kg/m
Mass per Unit Area pound per square inch kilogram per square metre 1 lb/in 2 = 703.1 kg/m 2
pound per square foot kilogram per square metre 1 lb/ft 2 = 4.882 kg/m 2
Mass per Unit Volume pound per cubic inch kilogram per cubic metre 1 lb/in 3 = 27680 kg/m 3
pound per cubic foot kilogram per cubic metre 1 lb/ft 3 = 16.02 kg/m 3
pound per cubic yard kilogram per cubic metre 1 lb/yd 3 = 0.5933 kg/m 3
Moment of Force pound force inch newton metre 1 lbf in = 0.113 N m
(Torque) pound force foot newton metre 1 lbf ft = 1.356 N m
1000 pound force inch kilonewton metre 1 kip in = 0.113 kN m
tons force foot kilonewton metre 1 ton ft = 3.037 kN m
Modulus of Section inch 3 millimetre 3 1 inch 3 = 16 390 mm 3
inch 4 millimetre 4 1 inch 4 = 416 200 mm 4
Second Moment of Area
(Moment of Inertia)
Power foot pound per second watt 1 ft lbf/s = 1.356 W
horsepower watt 1 hp = 754.7 W
British thermal units per hour watt 1 Btu/h = 0.2931 W
Energy foot pounds-force joules 1 ft lbf = 1.356 J
Velocity foot per second metre per second 1 fps = 0.3048 m/s
mile per hour kilometre per hour 1 mph = 1.609 km/h
inch per second millimetre per second 1 ips = 25.40 mm/s
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Dimensions and Properties Handbook