Understanding electrical power can be confusing, especially when you need to convert between kVA, kW, amps, volts, or watts. This page brings together all our most popular power calculators in one place, giving you fast, accurate results for everyday electrical, commercial, and industrial calculations.
Our power calculators are designed for electricians, engineers, students, and homeowners who want clear answers without doing manual formulas. Each calculator includes instant results, helpful explanations, and voltage options for both single-phase and three-phase systems.
Popular Power Calculators You Can Use on This Page
Below is a list of the most-used electrical power conversion tools.
🔹 kVA to Amps Calculator
Converts kilovolt-amps into amperage for single-phase and three-phase circuits.
🔹 Amps to kVA Calculator
Finds the kVA rating needed based on the electrical current and voltage.
🔹 kW to Amps Calculator
Helps determine current draw from kilowatts, especially for motors and appliances.
🔹 Amps to kW Calculator
Converts amps into kilowatts using your selected voltage and power factor.
🔹 kVA to kW Calculator
Turns apparent power (kVA) into real power (kW) using power factor.
🔹 kW to kVA Calculator
Useful for generator sizing and electrical system designs.
🔹 Watts to Amps Calculator
Quickly converts small appliance wattage into current.
🔹 Amps to Watts Calculator
Determines how much wattage your device will draw.
🔹 Volts to Amps Calculator
Helps you check current load based on voltage and wattage.
🔹 Amps to Volts Calculator
Converts current into voltage for various electrical systems.
🔹 kWh Cost Calculator
Estimates energy consumption and electricity cost per hour, day, or month.
Why Use Our Power Calculators?
- Instant, accurate results
- Clear formulas and explanations
- Works for single-phase & three-phase power
- Ideal for generator sizing, electrical load planning, solar setups, HVAC, and industrial systems
- Mobile-friendly and fast-loading tools
These calculators help eliminate guesswork, reduce errors, and speed up electrical planning for professionals and DIY users alike.
