AWG to mm²
Convert American Wire Gauge sizes to cross-sectional area in square millimeters.
Type: formula
Predefined pages: 44
Electrical Conversion Tools
Professional electrical calculators, conversion references, and NEC-oriented lookup tools.
Available Conversions
AWG to Ampacity
Lookup AWG ampacity ratings by insulation temperature class using NEC-style reference values.
Type: lookup
Predefined pages: 13
Voltage Drop Calculator
Estimate circuit voltage drop from gauge, distance, load current, system voltage, and phase.
Type: calculator
Predefined pages: 90
Conduit Fill Calculator
Estimate conduit fill compliance and maximum conductor counts using NEC fill percentages.
Type: calculator
Predefined pages: 16
Ohm's Law Calculator
Solve voltage, current, resistance, or power using classic Ohm's law relationships.
Type: calculator
Predefined pages: 12
Electrical Power Calculator
Calculate electrical power for single-phase or three-phase systems with optional power factor.
Type: calculator
Predefined pages: 12
Single-Phase Current Calculator
Compute single-phase current draw from real power, voltage, and power factor.
Type: calculator
Predefined pages: 12
Three-Phase Current Calculator
Calculate three-phase line current from power, line voltage, and power factor.
Type: calculator
Predefined pages: 12
Transformer kVA Calculator
Calculate transformer apparent power rating for single-phase or three-phase service.
Type: calculator
Predefined pages: 12
Energy Cost Calculator
Estimate daily, monthly, and annual electricity costs from watts, runtime, and utility rate.
Type: calculator
Predefined pages: 12
Battery Runtime Calculator
Estimate battery runtime from Ah, voltage, load watts, efficiency, and depth-of-discharge.
Type: calculator
Predefined pages: 12
Capacitor Reactance Calculator
Compute capacitive reactance from capacitance value and frequency.
Type: calculator
Predefined pages: 12
Inductor Reactance Calculator
Calculate inductor reactance from inductance and AC frequency.
Type: calculator
Predefined pages: 12
Impedance Magnitude Calculator
Resolve impedance magnitude from resistance and net reactance.
Type: calculator
Predefined pages: 12
Voltage Divider Calculator
Compute output voltage from a two-resistor divider network.
Type: calculator
Predefined pages: 12
LED Resistor Calculator
Calculate a series resistor for LED current limiting and estimate resistor dissipation.
Type: calculator
Predefined pages: 22
Motor HP to Amps Calculator
Estimate motor current from horsepower, voltage, efficiency, power factor, and phase.
Type: calculator
Predefined pages: 12
Power Factor Correction Calculator
Estimate required capacitor bank size to raise power factor from existing to target level.
Type: calculator
Predefined pages: 12
Frequency to Period Calculator
Convert signal frequency to cycle period in milliseconds and seconds.
Type: calculator
Predefined pages: 12
Wire Resistance Calculator
Estimate conductor resistance by AWG, length, and material using ohms-per-kft reference data.
Type: calculator
Predefined pages: 60
Short-Circuit Current Calculator
Estimate prospective short-circuit current from system voltage and total fault-loop impedance.
Type: calculator
Predefined pages: 12
Apparent Power Calculator
Calculate apparent power (kVA) and reactive power (kVAr) from kW and power factor.
Type: calculator
Predefined pages: 12
Watts to BTU/h Converter
Convert electrical power in watts to heat rate in BTU per hour.
Type: formula
Predefined pages: 12
Generator Sizing Calculator
Estimate generator apparent power size using running load, surge margin, and power factor.
Type: calculator
Predefined pages: 12