CONVERSION TABLES Section 11 METRIC CONVERSION FACTOR CHART UNIT MULTIPLY BY TO GET MULTIPLY BY TO GET HEAT British thermal unit (Btu) 1.055056 kilojoule (kJ) 0.9478170 (Btu) 1055.056 joule (J) 0.0009478170 (Btu) Btu per hour* (Btu/h) 0.2930711 watt (W) 3.412141 (Btu/h) Btu per minute* (Btu/min) 17.58427 watt (W) 0.05686902 (Btu/min) Btu per gallon (Btu/gal) 0.2787163 Kilojoule per litre (kJ/I’ 3.5878777 (Btu/gal) *Heat flow rate.  Also see POWER. LENGTH 25.4 millimetre (mm) 0.03937008 (in) inch (in) 2.54 centimetre (cm) 0.3937008 (in) 0.0254 metre (m) 39.37008 MASS (WEIGHT) 28.34952 qram (q) 0.03527397 (oz) ounce (oz) 0.02834952 kilogram (kg) 35.27397 (oz) grain 0.06479891 gram (g) 15.43236 grain pound (lb) 0.4535924 kilogram (kg) 2.204622 (lb) short ton (2000 lb) 907.1847 kilogram (kg) 0.001102311 short ton 0.9071847 megagram (Mg) 1.102311 short ton long ton (2240 lb) 1016.047 kilogram (kg) 0.0009842064 long ton 1.016047 megagram (Mg) 0.9842064 long ton POWER horsepower(hp) 0.7456999 kilowatt ((kW) 1.341022 (hp) 745.6999 watt (W) 0.001341022 (hp) Btu per hour* (Btu/h) 0.2930711 watt (W) 3.412141 (Btu/h) Btu per minute* (Btu/min) 17.58427 watt (W) 0.05686902 (Btu/min) *Also heat flow rate.  See HEAT. PRESSURE pound-force per 2.036 inch of mercury (in Hg) 0.4912 (psi) square inch (psi) 27.68 inch of water (in H₂O) 0.036125 (psi) inch of mercury (in Hg) 13.6 inch of water iin H₂0) 0.0735 (in Hg) pound-force per 6.894757 kilopascal (kPa) 0.1450377 (psi) square inch (psi) 0.006894757 megapascal (MPa) 145.0377 (psi) inch of mercury (in Hg) 337685 kilopascal (kPa) 0.296134 (in Hg) inch of water (in H20) 0.24884 kilopascal (kPa) 4.0186 (in H₂O) bar 100 kilopascal (kPa) 0.01 (bar) TEMPERATURE degree Fahrenheit (°F).  1.8 (F - 32)1.8 degree Celsius (°C) (1.8 x °C) + 32 (°F) TORQUE pound-force foot (lb  ft) 1.355818 newton metre (N•m) 0.7375621 (ft lb) pound-force inch (Ibf in) 0.1129848 newton metre (N•m) 8.850748 (in lb) ounce-force inch (ozf in) 0.007061552 newton metre (N•m) 141.6119 (ozf in) CGES-240-4 Printed in United States of America Page 1