AWG to mm²
Convert American Wire Gauge sizes to cross-sectional area in square millimeters.
Type: formula
Predefined pages: 44
Professional electrical calculators, conversion references, and NEC-oriented lookup tools.
Convert American Wire Gauge sizes to cross-sectional area in square millimeters.
Type: formula
Predefined pages: 44
Lookup AWG ampacity ratings by insulation temperature class using NEC-style reference values.
Type: lookup
Predefined pages: 13
Estimate circuit voltage drop from gauge, distance, load current, system voltage, and phase.
Type: calculator
Predefined pages: 90
Estimate conduit fill compliance and maximum conductor counts using NEC fill percentages.
Type: calculator
Predefined pages: 16
Solve voltage, current, resistance, or power using classic Ohm's law relationships.
Type: calculator
Predefined pages: 12
Calculate electrical power for single-phase or three-phase systems with optional power factor.
Type: calculator
Predefined pages: 12
Compute single-phase current draw from real power, voltage, and power factor.
Type: calculator
Predefined pages: 12
Calculate three-phase line current from power, line voltage, and power factor.
Type: calculator
Predefined pages: 12
Calculate transformer apparent power rating for single-phase or three-phase service.
Type: calculator
Predefined pages: 12
Estimate daily, monthly, and annual electricity costs from watts, runtime, and utility rate.
Type: calculator
Predefined pages: 12
Estimate battery runtime from Ah, voltage, load watts, efficiency, and depth-of-discharge.
Type: calculator
Predefined pages: 12
Compute capacitive reactance from capacitance value and frequency.
Type: calculator
Predefined pages: 12
Calculate inductor reactance from inductance and AC frequency.
Type: calculator
Predefined pages: 12
Resolve impedance magnitude from resistance and net reactance.
Type: calculator
Predefined pages: 12
Compute output voltage from a two-resistor divider network.
Type: calculator
Predefined pages: 12
Calculate a series resistor for LED current limiting and estimate resistor dissipation.
Type: calculator
Predefined pages: 22
Estimate motor current from horsepower, voltage, efficiency, power factor, and phase.
Type: calculator
Predefined pages: 12
Estimate required capacitor bank size to raise power factor from existing to target level.
Type: calculator
Predefined pages: 12
Convert signal frequency to cycle period in milliseconds and seconds.
Type: calculator
Predefined pages: 12
Estimate conductor resistance by AWG, length, and material using ohms-per-kft reference data.
Type: calculator
Predefined pages: 60
Estimate prospective short-circuit current from system voltage and total fault-loop impedance.
Type: calculator
Predefined pages: 12
Calculate apparent power (kVA) and reactive power (kVAr) from kW and power factor.
Type: calculator
Predefined pages: 12
Convert electrical power in watts to heat rate in BTU per hour.
Type: formula
Predefined pages: 12
Estimate generator apparent power size using running load, surge margin, and power factor.
Type: calculator
Predefined pages: 12