Elecmetric

Electrical conversion calculators

One page for each common conversion, each with the formula, a worked example and a table of typical values. Every number is computed by the tested Elecmetric engine.

Current, power and apparent power

Amps to kWkW to AmpsHP to AmpsAmps to HPAmps to kVAkVA to AmpsAmps to VAVA to AmpsAmps to WattsWatts to AmpskVA to kWkW to kVAkVA to WattsWatts to kVAVA to kWkW to VAVA to WattsWatts to VAkVA to VAVA to kVA

Voltage

Amps to VoltsVolts to AmpskW to VoltsVolts to kWVolts to WattsWatts to Volts

Energy and cost

kW to kWhkWh to kWkW to WhWh to kWWatts to WhWh to WattsWatts to kWhkWh to WattsEnergy ConsumptionEnergy Cost (one appliance)Electricity Bill (tariff slabs)

Joules, electron-volts and batteries

Joules to WattsWatts to JouleskW to JoulesJoules to kWkJ to WattsWatts to kJkW to kJkJ to kWJoules to VoltsVolts to JouleseV to VoltsVolts to eVmAh to WhWh to mAhAh to WhWh to AhAh to kWhkWh to Ah

Ohms and resistance

Amps to OhmsOhms to AmpsVolts to OhmsOhms to Volts

Lighting

Lumens to LuxLux to LumensCandela to LuxLux to CandelaLumens to CandelaCandela to LumensLumens to WattsWatts to LumensLux to WattsWatts to LuxLumens to MillicandelaMillicandela to Lumens

Circuit laws and design

Ohm's Law (V, I, R, P)Watts, Volts, Amps and OhmsPowerPower FactorVoltage DividerDC Cable Voltage DropWire Gauge (AWG)

Conversion Centre

Unit converters for power, energy, voltage, current, resistance, frequency and more

Reference and worked examples

Resistor color code calculatorOhm’s law formulasKirchhoff’s lawsCoulomb’s law calculatorElectrical symbols1,000 watts to amps100 amps to watts

Engineering calculators

Motors, transformers, cables, earthing, solar PV and more

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