# IMPORTANT UNIT CONVERSION.pdf

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IMPORTANT UNIT CONVERSION LENGTH/DISTANCE (SI unit :m) FORCE (SI unit :N) BENDING MOMENT 1 m = 100 cm 1 in = 0.0254 m 1 ft = 0.3048 m =1000 mm =25.4 mm =304.8 mm 1 kg ≈ 10 N = 0.001 kN 1 MT =1000 kg =10 kN 1 lb =0.454 kg = 4.54 N =0.0045 kN (SI unit :N-m) 1 N-m = 1/ 10 kg-m = 10 kg –cm 1 kN-m = 100 kg –m = 1000 kg-cm 1 lb-in =0.0115 kg –m =1.15 x 10-4 kN-m STRESS /PRESSURE (SI unit :Pa) VELOCITY (SI unit :m/s) 1 lb-ft = 0.1382 kg-m = 1.382 x 10-3 kN-m 1 Pa = 1 N/m2 =0.101 Kg/m2 = 1

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IMPORTANT UNIT CONVERSION LENGTH/DISTANCE (SI unit :m)   1 m = 100 cm =1000 mm 1 in = 0.0254 m =25.4 mm 1 ft = 0.3048 m =304.8 mm   FORCE (SI unit :N)   1 kg ≈  10 N = 0.001 kN 1 MT =1000 kg =10 kN 1 lb =0.454 kg = 4.54 N =0.0045 kN BENDING MOMENT (SI unit :N-m)   1 N-m = 1/ 10 kg-m = 10 kg  – cm 1 kN-m = 100 kg  – m = 1000 kg-cm 1 lb-in =0.0115 kg  – m =1.15 x 10 -4  kN-m 1 lb-ft = 0.1382 kg-m = 1.382 x 10 -3  kN-m   LINEAR DENSITY (SI unit :N/m)   1 N/m = 1/10 kg /m = 1/1000 kg/cm 1 kN/m = 100 kg/m = 1 kg/cm 1 lb /ft = 1.488 kg /m =14.88 N/m = 0.01488 kN/m = 1.488 x 10 -4  kg/cm 1 lb /in = 0.179 kg/cm = 17.9 kg/m =1.79 N/m STRESS /PRESSURE (SI unit :Pa)   1 Pa = 1 N/m 2  =0.101 Kg/m 2  = 1.01 x 10 -5  kg/cm 2  1Kg/m 2  = 10 Pa 1 psi = 703 Kg/m 2  = 6894.757 Pa 1 MPa = 1 N/mm 2  =1.019 x 10 5  Kg/m 2  = 10.19 kg/cm 2 1 psf = 4.88 Kg/m 2   = 47.85 Pa VELOCITY (SI unit :m/s)   1m/s = 18/ 5 km/h =2.25 MPH 1 km/h =5/18 m/s = 0.624 MPH 1 MPH = 0.446 m/s =1.60 km/h   DENSITY (SI unit :N/m 3  )   1 kg/m 3  = 10 N/m 3  =10 -4 N/cm 3  = 0.0624 lb/ft 3  1 lb/ft 3  = 0.0160 N/m 3  1 kg/m 3  = 36.1273 lb/in 3
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