Electric Water Heater Energy Usage

Electric Water Heater energy usage calculator

Energy usage based on the average Electric Water Heater wattage of 4000.

Usage (kWh)
Cost ($)
Per Day:
12
$1.20
Per Month:
364.8
$36.50
Per Year:
4,437
$438.05
*Electric Water Heater energy usage cost is based on the average residential retail electricity rate in the United States.

Electric Water Heater Energy Usage Calculator

This calculator uses the average watt rating (100 Watts) for a Electric Water Heater. You can input your Electric Water Heater’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 Electric Water Heater. 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 Electric Water Heater. If you are unsure enter the average wattage for a Electric Water Heater: 4000.

How many watts does a Electric Water Heater use?

The average Electric Water Heater uses 4000 watts. Your devices wattage may be different depending on the brand, size, or other factors.  You can generally find the wattage of your Electric Water Heater 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: