Calculators

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Pick a tool below — wire, lighting and electrical calculators. Free to use, no login required.

71 Calculators Wire · Lighting · Electrical No Login
Cables & Conductors

Wire Calculators

Gauge conversion, cross-sectional area and voltage drop — everything for cable sizing.

Wire Gauge Calculator AWG to mm Calculator SWG to mm Calculator Voltage Drop Calculator #2 Gauge Wire Calculator
Illumination

Lighting Calculators

Convert between candela, lumens, lux, footcandles, millicandela and watts.

Converters

Candela to Lumens Calculator Candela to Lux Calculator Footcandles to Lux Calculator Lumens to Candela Calculator Lumens to Lux Calculator Lumens to Millicandela Calculator Lumens to Watts Calculator Lux to Candela Calculator Lux to Footcandles Calculator Lux to Lumens Calculator Lux to Watts Calculator Millicandela to Lumens Calculator Watts to Lumens Calculator Watts to Lux Calculator

Worked Calculations

Candela to Lumens Calculation Candela to Lux Calculation Lumens to Candela Calculation Lumens to Lux Calculation Lumens to Watts Calculation Lux to Candela Calculation Lux to Lumens Calculation Lux to Watts Calculation Watts to Lumens Calculation Watts to Lux Calculation
Power & Energy

Electrical Calculators

Power conversions, energy costs, voltage and current — plus the core electrical theory tools.

Power Conversions

Amps to kW Calculator Amps to kVA Calculator Amps to VA Calculator Amps to Volts Calculator Amps to Watts Calculator kVA to Amps Calculator kVA to Watts Calculator kVA to kW Calculator kVA to VA Calculator kW to Amps Calculator kW to Volts Calculator kW to kVA Calculator kW to VA Calculator VA to Amps Calculator VA to Watts Calculator VA to kW Calculator VA to kVA Calculator Volts to Amps Calculator Volts to Watts Calculator Volts to kW Calculator Watts to Amps Calculator Watts to Volts Calculator Watts to VA Calculator Watts to kVA Calculator

Energy

Electricity Bill Calculator Energy Consumption Calculator Energy Cost Calculator kW to kWh Calculator kWh to kW Calculator kWh to Watts Calculator Watts to kWh Calculator Joules to Watts Calculator Watts to Joules Calculator

Voltage & Current

eV to Volts Calculator Joules to Volts Calculator Volts to Joules Calculator Volts to eV Calculator

Electrical Theory

Ohm's Law Calculator Power Calculator Power Factor Calculator Voltage Divider Calculator Watts–Volts–Amps–Ohms Calculator
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