APPENDIX 2: Conversion Factors


Length: 1 cm = 0.3937 in
1 m = 39.37 in
1 in = 2.54 cm
1 ft = 0.305 in
Area: 1 square centimetre (cm) = 0.155 square inch (in)
1 square metre (m) = 1 550 in
= 10.76 square feet (ft)
1 in = 6.452 cm
1 ft = 929 cm
Volume: 1 litre (L) = 1000 millilitre (mL)
1 mL = 0.061 in
1 000 L = 1 m
Temperature: F = (C x 1.8) + 32  
C = (F - 32)/1.8  
Pressure: 1 pound/in (psi) = 6.897 kN/m (or kPa)
1 atmosphere = 14.696 psi
1 kg/cm = 101.38 kN/m (or kPa)
= 1.0138 bar
Weight: 1 kilogramme (kg) = 1 000 grammes (g)
= 2.205 pound (lb)
1 metric tonne (t) = 1 000 kg
1 ton = 2.240 lb
1 ounce (oz) = 28.35 g
1 lb = 16 oz
1 lb = 454 g