Threading Technology – Clamping Technology 520

8 Conversion of American Units into SI Units American units into SI units SI units into American units Length 1 inch (in) = 25.4 mm = 2.54 cm 1 millimeter (mm) = 0.03937 in 1 foot (ft) = 12 in = 0.3048 m 1 centimeter (cm) = 10 mm = 0.3937 in 1 yard (yd) = 3 ft = 0.9144 m 1 meter (m) = 100 cm = 3.2808 ft = 1.0936 yd 1 statute mile = 1760 yd = 1.60934 km 1 kilometer (km) = 1000 m = 0.62137 statute mile Area 1 in 2 = 645.16 mm 2 = 6.4516 cm 2 1 mm 2 = 0.00155 in 2 1 ft 2 = 144 in 2 = 0.0929 m 2 1 cm 2 = 100 mm 2 = 0.155 in 2 1 yd 2 = 9 ft 2 = 0.8361 m 2 1 m 2 = 10000 cm 2 = 10.7642 ft 2 = 1.196 yd 2 1 mile 2 = 2.590 km 2 1 km 2 = 10 6 m 2 = 0.3861 mile 2 Volume 1 in 3 = 16387.064 mm 3 = 16.387 cm 3 1 mm 3 = 0.000061 in 3 1 ft 3 = 1728 in 3 = 0.0283 m 3 1 cm 3 = 1000 mm 3 = 0.0610 in 3 1 yd 3 = 27 ft 3 = 0.765 m 3 1 m 3 = 10 6 cm 3 = 35.3146 ft 3 = 1.3080 yd 3 1 Quart / US = 1 / 4 gal = 0.946 l 1 Liter (l) = 1 dm 3 = 0.2642 gal / US = 2.11 US pt 1 gallon (gal) / US = 4 quarts = 3.784 l 1 l = 1.761 UK pt 1 gallon (gal) / UK = 4.546 l 1 US pint (pt) = 0.8327 UK pt = 0.473 l 1 UK pt = 1.201 US pt = 0.568 l 1 barrel / US (Oil) = 42 gal = 158.98 l 1 barrel / UK = 36 gal = 163.66 l Weight 1 ounce (oz) = 16 drams = 28.35 g 1 gram (g) = 0.03527 oz 1 pound (lb) = 16 oz = 453.592 g 1 kilogram (kg) = 1000 g = 2.20462 lb 1 short ton / US = 0.907 t 1 ton (t) = 1000 kg = 1.1025 short tons / US 1 long ton / UK = 1.016 t 1 ton (t) = 1000 kg = 0.984 long tons / UK Force 1 pound force (lbf) = 4.448 N 1 Newton (N) = 0.2248 lbf Pressure/Tensile strength 1 lbf/ft 2 = 47.8803 Pa 1 Pascal (Pa) = 10 6 N/mm 2 = 0.02089 lbf/ft 2 1 lbf/in 2 = 6.89476 kPa = 6.895 · 10 -3 N/mm 2 1 N/mm 2 = 0.1 bar = 145 psi 1 psi (pound-force per sq.in) = lbwt/in 2 = 6.895 · 10 -3 N/mm 2 1 bar = 10 N/mm 2 = 14.5 psi 1 psi = 6.895 · 10 -2 bar Power 1 foot-pounds per second (ft lb/s) = 1.356 W 1 Watt (W) = 1 J/s = 1 Nm/s = 0.7376 ft lb/s Energy/Torque 1 foot pound-force (ft·lbf) = 1.356 J 1 Joule (J) = 1 Nm = 0.7376 ft lb Cutting/Circumferential speed 1 surface feet per minute (SFM) = 0.3048 m/min 1 m/min = 3.2808 SFM Cutting/Circumferential speed in degree Fahrenheit (°F) = 9 / 5 Temp.[°C]+32 in degree Celsius (°C) = (Temp.[°F]-32) · 5 / 9