Electrical Calculators & Tools
A collection of practical electrical calculators and free web extensions designed to help electricians, students and anyone working in the electrical industry.
Free to use
Helpful for students & qualified electricians
Featured extension
UK Electrician Qualification Checker
A free browser extension to quickly check what electrical work you’re qualified to do in the UK. Get instant guidance based on your qualifications and the latest regulations.
Available for your browser:
Add to Chrome
Add to Firefox
Add to Opera
Add to Edge
Electrical Calculators
Use our free electrical calculators to quickly convert between common electrical values.
Amps to Watts Calculator
Convert electrical
current (amps) into
power (watts)
Watts to Amps Calculator
Convert power (watts)
into electrical
current
Amps to
kW Calculator
Convert electrical
current (amps) into
kilowatts (kW)
Ohm's
Law Calculator
Calculate Voltage,
current or resistance
using Ohm's Law
kW to
Amps Calculator
Convert kilowatts (kW)
into electrical
current (amps)
