### Conversion Factors

 ```LENGTH: 1 m = 3.2808 ft 1 ft = 0.3048 m 1 km = 0.6214 mile 1 mile = 1.6093 km 1 nautical mile = 1.852 km AREA: 1 m2 = 10.76 ft2 1 ft2 = 0.09290 m2 1 acre = 43560 ft2 1 sq. mile = 640 acres VOLUME: 1 litre = 1000 cm3 1 litre = 0.03532 ft3 1 ft3 = 28.32 litres 1 litre = 61.02 in3 1 US gallon = 231 in3 1 Imperial gallon = 277.42 in3 MASS: 1 Kg = 0.06852 slug 1 slug = 14.5943 Kg 1 Kg = 1000 grams 1 lbm = 0.4536 Kg DENSITY: 1 Kg/m3 = 0.0019403 slug/ft3 1 slug/ft3 = 515.38 Kg/m3 1 Kg/m3 = 0.06243 lbm/ft3 1 lbm/ft3 = 16.018 Kg/m3 VELOCITY: 1 m/s = 3.2808 ft/s 1 ft/s = 0.3048 m/s 1 m/s = 2.2369 mph 1 mph = 0.44704 m/s 1 m/s = 3.6 km/hr 1 mph = 1.6093 km/hr 1 m/s = 1.943 knots 1 knot = 0.5144 m/s FORCE: 1 Newton = 0.2248 lbf 1 lbf = 4.448 N 1 Newton = 105 Dynes PRESSURE: 1 mm Hg = 133.32 Pa 1 in Hg = 3.3865 kPa 1 Pa = 10-5 Bar 1 in H2O = 249.1 Pa 1 Pa = 1.45 x 10-4 lbf/in2 1 lbf/in2 = 6895 Pa 1 Pa = 0.02089 lbf/ft2 1 lbf/ft2 = 47.88 Pa ENERGY: 1 Joule = 1 Nm = 0.7376 ft lbf 1 ft lbf= 1.35582 J 1 Joule = 0.0094787 BTU 1 BTU = 1055.06 J 1 Joule = 0.2389 Cal 1 Cal = 4.1868 J 1 Joule = 2.78 x 10-7 kilowatt hrs 1 kwh = 3.6 x 106 J POWER: 1 Watt = 1 J/s = 0.7376 ft lbf/s 1 Watt = 1.341 x 10-3 HP 1 HP = 745.6 W 1 Watt = 3.4118 BTU/hr 1 HP = 550 ft lbf/s VISCOSITY: 1 Poise = 0.1 Kg/m/s 1 Stokes = 10-4 m2/s ANGLE: 1 radian = 57.296 deg 1 deg = 0.01745 Rad ```

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