Laptop Charger Energy Usage

Laptop Charger energy usage calculator

Energy usage based on the average Laptop Charger wattage of 0.

Usage (kWh)
Cost ($)
Per Day:
0.1069078947
$0.01113980263
Per Month:
3.25
$0.33865
Per Year:
39
$4.0638
*Laptop Charger energy usage cost is based on the average residential retail electricity rate in the United States.

Laptop Charger Energy Usage Calculator

This calculator uses the average watt rating (100 Watts) for a Laptop Charger. You can input your Laptop Charger’s details to calculate the exact usage and cost of your device.

Hours Used Per Day:
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Power Used (Watts):
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Your Energy Rate ($ / kWh):
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Calculate Costs
Total Cost of Your :
Usage (kWh)
Cost ($)
Per Day:
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Per Month:
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Per Year:
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Hours used per day

Enter how many hours per day you estimate you run your Laptop Charger. If it is less than one hour use a decimal. For example, 30 minutes would be .5 and 15 minutes would be .25.

Power used (Watts)

Input the wattage of your Laptop Charger. If you are unsure enter the average wattage for a Laptop Charger: 0.

How many watts does a Laptop Charger use?

The average Laptop Charger uses 0 watts. Your devices wattage may be different depending on the brand, size, or other factors.  You can generally find the wattage of your Laptop Charger in the user manual or on the device itself.

Your energy rate

Enter the price per kilowatt-hour (kWh) you pay for electricity. If you are unsure you can use the average rate per kWh in the US (10 cents) or find the kWh rate in your area here.

Energy Usage Calculators: