Compare calculators

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

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.

Electrical Home

Wire Gauge Calculator

Find the minimum safe AWG wire gauge for an electrical circuit based on current load, wire run length, and system voltage. Use this when wiring new circuits, extending runs, or verifying existing installations.

Current Load (amps)

Wire Length (feet)

System Voltage (volts)

Fill in the required fields to see your result.

Key differences

	LED Savings Calculator	Wire Gauge Calculator
Category	Electrical Home	Electrical Home
Inputs required	4	3
Result	Annual Savings ($)	Recommended Wire Gauge (AWG)
What it does	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.	Find the minimum safe AWG wire gauge for an electrical circuit based on current load, wire run length, and system voltage. Use this when wiring new circuits, extending runs, or verifying existing installations.