|  | 
				To Convert From | 
				To | 
				Multiply By | 
                                          | 
					Length | 
					miles (mi) | 
					meters (m) | 
					1609.3 | 
                                          |  | 
					feet (ft) | 
					meters (m) | 
					.3048 | 
                                          |  | 
					inches (in) | 
					meters (m) | 
					.0254 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Area | 
					square feet (ft2) | 
					square meters (m2) | 
					9.29 x 10–2 | 
                                          |  | 
					square inches (in2) | 
					square meters (m2) | 
					6.452 x 10–4 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Volume                           | 
					cubic feet (ft3) | 
					cubic meters (m3) | 
					.0283 | 
                                          |  | 
					fluid ounces — US (fl oz) | 
					cubic meters (m3) | 
					2.957 x 10–5 | 
                                          |  | 
					gallons — US (gal) | 
					cubic meters (m3) | 
					3.785 x 10–3 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Volume perUnit Time
 | 
					ft3/min | 
					m3/s | 
					4.719 x 10–4 | 
                                          |  | 
					in3/min | 
					m3/s | 
					2.732 x 10–7 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Mass | 
					ounces (oz) | 
					kilograms (kg) | 
					.0283 | 
                                          |  | 
					pounds (lb) | 
					kilograms (kg) | 
					.4536 | 
                                          |  | 
					ton-short (2000lb) (T) | 
					kilograms (kg) | 
					907.185 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Mass per Unit Area
 | 
					oz/ft2 | 
					kg/m2 | 
					.3052 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Mass per Unit Time
 | 
					lb/h | 
					kg/s | 
					1.26 x 10–4 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Mass per Unit Volume
 | 
					g/cm3 | 
					kg/m3 | 
					1000 | 
                                          |  | 
					oz(avoirdupois)/in3 | 
					kg/m3 | 
					1730 | 
                                          |  | 
					lb/in3 | 
					kg/m3 | 
					2.768 x 104 | 
                                          |  | 
					lb/ft3 | 
					kg/m3 | 
					16.018 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Volume per Unit Time
 | 
					ft3/min | 
					m3/s | 
					4.719 x 10–4 | 
                                          |  | 
					in3/min | 
					m3/s | 
					2.732 x 10–7 | 
                                          |  | 
					gal/min | 
					m3/s | 
					6.309 x 10–5 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Velocity | 
					ft/min | 
					m/s | 
					5.08 x 10–3 | 
                                          |  | 
					in/s | 
					m/s | 
					.0254 | 
                                          |  | 
					mi/h | 
					m/s | 
					.447 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Viscosity | 
					poise (P) | 
					pascal-second (Pa•s) | 
					.1 | 
                                          |  | 
					stokes (St) | 
					m2/s | 
					10–4 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Force | 
					dyne | 
					Newton (N) | 
					10–5 | 
                                          |  | 
					kgf | 
					Newton (N) | 
					9.807 | 
                                          |  | 
					lbf | 
					Newton (N) | 
					4.448 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Force per Unit Length
 | 
					lbf /ft | 
					N/m | 
					14.594 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Stress per Unit Area
 | 
					Atmosphere (standard) | 
					Pa | 
					1.0133 x 105 | 
                                          |  | 
					torr (mm Hg 0°C) | 
					Pa | 
					133.32 | 
                                          |  | 
					inches of Hg (60°F) | 
					Pa | 
					3376.9 | 
                                          |  | 
					inches of H2O (60°F) | 
					Pa | 
					248.84 | 
                                          |  | 
					lbf /in2 | 
					Pa | 
					6894.8 | 
                                          |  | 
					centimeters of Hg (0°C) | 
					Pa | 
					1333.2 | 
                                          |  | 
					kgf /cm2 | 
					Pa | 
					9.807 x 104 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Energy | 
					Btu (International) | 
					Joule (J) | 
					1055.06 | 
                                          |  | 
					ft•lbf | 
					Joule (J) | 
					1.356 | 
                                          |  | 
					Kilowatt hour (kW•h) | 
					Joule (J) | 
					3.6 x 106 | 
                                          |  | 
					calorie (cal)(International) | 
					Joule (J) | 
					4.1868 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Energy per Unit Area Time
 | 
					Btu(International)/(ft2•s) | 
					W/m2 | 
					1.136 x 104 | 
                                          |  | 
					erg/(cm2•s) | 
					W/m2 | 
					10-3 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Heat | 
					Btu(Int'l)•in/(hr•ft2•°F) | 
					W/(m•°K) | 
					.144 | 
                                          |  | 
					Btu(Int'l)•in/(s•ft2•°F) | 
					W/(m•°K) | 
					519.22 | 
                                          |  | 
					cal(Int'l)/g | 
					J/kg | 
					4186.8 | 
                                          |  | 
					Btu(Int'l)/(lb•°F) | 
					J/(kg•°K) | 
					4186.8 | 
                                          |  | 
					cal(Int'l)/(g•°C) | 
					J/(kg•°K) | 
					4186.8 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Power | 
					Btu(Int'l)/s | 
					W | 
					1055.1 | 
                                          |  | 
					cal (Int'l)/s | 
					W | 
					4.187 | 
                                          |  | 
					erg/s | 
					W | 
					10-7 | 
                                          |  | 
					ft•lbf /s | 
					W | 
					1.356 | 
                                          |  | 
					Horsepower (hp) 550 ft•lb/s | 
					W | 
					745.7 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Temperature | 
					°C | 
					°K | 
					Tk=Tc                          + 
					273.15 | 
                                          |  | 
					°F | 
					°C | 
					Tc=(Tf                          – 
					32)/1.8 | 
                                          |  | 
					  | 
					  | 
					  | 
                                          | 
					Light | 
					cd/in2 | 
					cd/m2                          (candela/sq. meter)
 | 
					1550 | 
                                          |  | 
					  | 
					  | 
					  |