Electrical Formulator

Solve any electrical design problem with hundreds of conversion and calculation formulas. The best tool in your kit, this formulator lets you save and even email or print your results. Conveniently displays your “most used” and “recently used” formulas. Now includes 100 charts as well as direct access to Electrical Code online from many states Perform calculations related to: Batteries BTU Conversions Costs Kilowatts, Joules Generators Impedance Motors Ohm's Law Transformers Voltage Drop Wiring BATTERIES • Starting motor amperage • Number of cells required • Operating time COSTS • Operating lights and appliances • Using appliances • Hours of new bulb usage • Insulation years to payback GENERATOR • Direct Current Generator • Generator amperage output • Generator efficiency IMPEDANCE • Resistance & reactance are known • Resistance & inductive reactance are known MISCELLANEOUS • kVA to kW • Parallel Circuits • Total resistance • Capacitance • Reactance (X) • Inductive Reactance • Capacitance Reactance • Bandwidth MOTORS • Locked rotor current • Single-phase motors • Three phase motors • Motor kVA calculations • When Fla is known • When motor kVA per horsepower is known • Motor kVA when above not known • Speed of motor BATTERIES • Starting motor amperage • Number of cells required • Operating time Btu CONVERSIONS • Btu to calories • Btu to cubic ft-atm • Btu to foot pounds • Btu to ft-lbf • Btu to gram-cal • Btu to gram-cms • Btu to horsepower-hr • Btu to inch-lbf • Btu to joules • Btu to kilocalories • Btu to liter-atm • Btu to pounds-cal • Btu to watt-hr COSTS • Operating lights and appliances • Using appliances • Hours of new bulb usage • Insulation years to payback KILOWATTS AND JOULES CONVERSIONS • kilowatts to Btu/Hr • kilowatts to Btu/min • kilowatts to Btu/sec • kilowatts to erg/sec • kilowatts to foot-lbs/hr • kilowatts to foot lbs/min • kilowatts to foot-lbs/sec • kilowatts to gigawatts • kilowatts to gram-cm/sec • kilowatts to (metric) horsepower • kilowatts to horsepower • kilowatts to joules/sec • kilowatts to kilogram-cal/min • kilowatts to kilogram- cal/sec • kilowatts to kilogram-M/sec • kilowatts t lumens • kilowatts to megajoules/hr • Lumens • Lumens to Btu min • Lumens to Btu sec GENERATOR • Direct Current Generator • Generator amperage output • Generator efficiency IMPEDANCE • Resistance & reactance are known • Resistance & inductive reactance are known MOTORS • Locked rotor current • Single-phase motors • Three phase motors • Motor kVA calculations • When Fla is known • When motor kVA per horsepower is known • Motor kVA when above not known • Speed of motor OHM'S LAW • Calculate for power • Power • Calculate for Resistance • Calculate for voltage TRANSFORMERS • Primary amperes • Secondary amperes • Transformers sizes full load cur • Single phase 208 V • Single phase 240 v • Single phase 480 v • Three phase 208 v • Three phase 240 v • Three phase 480 v • Rated full load • Impedance of secondary • Amperage capacity from secondary VOLTAGE DROP • Voltage drop calculations feet • 1 phase copper • 1 phase aluminum • 3-phase copper • 3 phase Aluminum • Voltage drop calculations meters • 1 phase copper meters • 1 phase aluminum meter • 3 phase copper meters • 3 phase aluminum meters WIRING • Wire size • Wire length copper • Wire resistance • Wire length aluminum • Amp to be calculated • Conduit size