Charging Cord Length Calculator

Extension cord gauge calculator: find the right wire gauge (AWG) for your cord length and amps, and check the voltage drop for tools, appliances, and outdoor equipment.

Size and optimize DC wiring, voltage drop, and conductor sizing for residential and commercial solar panel installations.

Calculate power loss in electric vehicle charging setups based on cable length, installation type, and charging rate.

Estimate battery degradation and remaining run time for robot vacuum cleaners based on usage patterns and charging habits.

Estimate running and starting watts for your submersible well pump. Size generators and breaker circuits using total dynamic head and efficiency.

Estimate daily and monthly energy consumption for residential pool pumps to optimize runtime and save on bills.

Calculate electricity usage and costs for heat pump systems based on home size, climate zone, and efficiency ratings.

Determine if a home circuit can safely handle one or more space heaters, preventing overloads and fire hazards.