Electrodepot Industrial Wireless Controls

Length	1 in = 25.4 mm = 2.54 cm 1 m = 39.37 in 1 cm = 0.3937 in
Area	1 ft² = 0.0929 m² 1 in² = 645 mm²
Mass	1 lb = 0.45359 kilogram (kg)
Volume	1 in³ = 0.0163871 Liter (L) = 16.4 mL 1 ft³ = 7.48055 gal = 28.317 L = 0.028317 m³ 1 gal = 3.7854 L = 0.0037854 m³*
Energy	1 ft-lb = 1.3558 joules (J) 1 calorie = 4.184 J 1 Btu = 1.05435 kJ Btu/hr = cfm x T in °F x 1.10 (air) Btu/hr = gpm x T in °F x 500.4 (water)
Density	1 lb/ft³ = 16.018463 kg/m³ 1 lb/gal = 119.827 kg/m³
Temperature	°F = 1.8C + 32 °C = (F - 32) / 1.8
Pressure	1 psi = 6.8948 kilo-Pascals (kPa) 1 bar 100 kPa = 14.504 psi 1 in of Hg (60°F) = 3.38 kPa 1 in of H₂O (60°F) = 249 Pa 1 ft of H₂O = 2.99 kPa*
Flow	1 cfm = 0.472 L/s = 0.000472 m³/s 1 gpm = 0.0631 L/s = 0.0000631 m³/s
Velocity	1 fpm = 0.00508 m/s
Wire gauge	Square inch x 273,000 = Circular mils

TO FIND	SINGLE-PHASE	THREE-PHASE	DIRECT CURRENT
Kilowatts	I x E x PF 1000	I x E x 1.732 x PF 1000	I x E 1000
KVA	I x E 1000	I x E x 1.732 1000	---------------
Horsepower (Output)	I x E x %EFF x PF 746	I x E x 1.732 x %EFF x PF 746	I x E x %EFF 746
Amperes when Horsepower is known	HP x 746 E x %EFF x PF	HP x 746 1.732 x E x %EFF x PF	HP x 746 E x %EFF
Amperes when Kilowatts is known	KW x 1000 E x PF	KW x 1000 1.732 x E x PF	KW x 1000 E
Amperes when KVA is known	KVA x 1000 E	KVA x 1000 1.732 x E	---------------