⚡ Electrical Calculators

Wire Gauge Calculator

Calculate the correct wire gauge based on amperage, distance, and voltage. NEC compliant.

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Voltage Drop Calculator

Calculate voltage drop across wire runs. Ensures proper voltage at the load.

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Wire Ampacity Chart

Complete reference for current-carrying capacity of copper and aluminum wires.

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AWG to mm² Converter

Convert between American Wire Gauge and metric cross-sectional area instantly.

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Circuit Breaker Sizing

Determine the correct breaker size for any load. Prevents overcurrent damage.

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Load Calculator

Calculate total electrical load for residential and commercial panels.

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Panel Capacity Calculator

Check available capacity in your electrical panel for new circuits.

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Ohm's Law Calculator

Calculate voltage, current, resistance, and power. The fundamental electrical formula.

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kVA Calculator

Calculate kilovolt-amperes for single and three phase power systems.

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Power Factor Correction

Calculate capacitor size needed to improve power factor and reduce penalties.

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Resistance Color Code

Decode resistor color bands to find resistance value and tolerance.

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HP to Watts Converter

Convert horsepower to watts and vice versa for motor applications.

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LED Savings Calculator

Calculate annual savings from switching to LED lighting from传统 sources.

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Lumens Calculator

Determine optimal lumens for any room based on dimensions and use case.

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GFCI Distance Calculator

Calculate maximum distance for GFCI protection based on breaker rating.

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Circuit Finder

Find which breaker controls which outlet in your electrical panel.

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Solar Panel Output Calculator

Estimate daily energy production from solar panels based on location and panel specs.

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Battery Storage Calculator

Calculate battery bank size for off-grid systems or backup power.

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BTU to kWh Converter

Convert British Thermal Units to kilowatt-hours for HVAC and heating.

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