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Electrical Calculators

31 tools

31 electrical tools: Ohm's law, voltage drop, current, power, resistance, parallel/series circuits, resistor color code, load capacity; wire size, breaker, conduit fill, voltage loss & efficiency, cable ampacity by distance, 3‑phase power, transformer kVA, motor FLA, conduit bending; LED power, lumens↔watts, electricity cost, circuit load planning, generator sizing, power factor; PV production, off‑grid sizing, solar array & battery bank, inverter capacity, EV charging time, battery runtime, ROI payback.

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Basic Electrical & Circuit Calculations (8)

Ohm's law (V/I/R/P), voltage drop (wire gauge & length), current, power (watts), resistance, parallel & series circuits, resistor color code decoding, and panel/breaker load capacity.

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Wiring, Conductors & Breakers (9)

Wire sizing (AWG/KCMIL), breaker size, conduit fill, voltage loss & system efficiency, cable ampacity by distance, 3‑phase power, transformer kVA, motor FLA (full load amps), and conduit bending.

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Lighting, Energy Cost & Home Electrical (6)

LED power consumption, lumens↔watts conversion, electricity cost per hour/month, lighting circuit load planner, generator sizing, and power factor for efficiency.

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Renewable Energy & Battery Systems (8)

PV system production estimation, off‑grid system sizing, solar array output and sizing, battery bank sizing, inverter load capacity, EV charging time, battery runtime, and system payback period (ROI).

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