Power Calc

Power Calculator: Electrical is a practical collection of calculators designed for electrical power, generators, UPS systems, current, voltage, and lighting calculations.

Calculate and convert commonly used electrical values quickly with simple and easy-to-use tools.

Power Calculator

Calculate electrical power for single-phase and three-phase systems using voltage, current, and power factor.

Amperes Calculator

Calculate current from generator kVA and voltage for single-phase and three-phase systems.

Generator Power Calculator

Calculate and convert generator capacity between kVA and kW for easier generator sizing and power calculations.

UPS Power Calculator

Calculate UPS power requirements based on electrical load, voltage, phase, and power factor.

Quick Conversions

Convert between commonly used electrical units:

• kW → kVA

• kVA → kW

• kW → HP

• HP → kVA

• kW → AMP

• AMP → kW

Lighting Calculators

Convert lumens and watts for different types of lighting, including:

• Small Home-Style Bulbs

• Incandescent Lights

• Compact Fluorescent Lights

• Halogen Lights

• Mercury Vapour Lights