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Both calculators run independently — change the inputs on either side to compare results.

Wire Size Calculator

Find the correct wire gauge for any electrical circuit based on current load, run length, and allowable voltage drop. Use this when wiring outlets, appliances, or sub-panels to avoid overheating and energy loss.

Load Current (amps)

One-Way Distance (feet)

System Voltage

Max Voltage Drop

Fill in the required fields to see your result.

Electrical Home

LED Savings Calculator

Find out exactly how much money you save each year by replacing incandescent or CFL bulbs with LEDs. Enter wattages, daily usage, and your electricity rate to get an annual dollar figure.

Old Bulb Wattage (watts)

LED Bulb Wattage (watts)

Daily Usage Hours (hours)

Electricity Rate ($/kWh)

Fill in the required fields to see your result.

Key differences

	Wire Size Calculator	LED Savings Calculator
Category	Electrical Home	Electrical Home
Inputs required	4	4
Result	Minimum Wire Size (AWG)	Annual Savings ($)
What it does	Find the correct wire gauge for any electrical circuit based on current load, run length, and allowable voltage drop. Use this when wiring outlets, appliances, or sub-panels to avoid overheating and energy loss.	Find out exactly how much money you save each year by replacing incandescent or CFL bulbs with LEDs. Enter wattages, daily usage, and your electricity rate to get an annual dollar figure.