Cordless phone electricity usage

What is electricity consumption of average/common cordless phone?

Normally, a cordless phone will consume 2 to 3 watts of electricity per hour, both when in use and when charging. There isn't much you can do to lower the power usage of your cordless home phone other than reducing the number of phones you have since a cordless phone is often left plugged in around-the-clock. The good news is that cordless phones use relatively little electricity and do not contribute significantly to energy consumption in the average home. Just make sure your cordless phone has an Energy Star rating, which denotes energy efficiency.

To determine the energy usage of a cordless phone utilizing 2 Watts for 24 hours a day at $0.10 per kWh, click calculate.

Cordless phone electricity usage

Number of cordless phones:

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Hours used per dayhelpFill in how many hours a day you use/would like to use the device. For example, if you use the device for 2.7 hours per day, then enter 2.7.:

Hours a day

Power use in Watts

Watts Kilowatts

Price (kWh):

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Calculate Reset

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Kilowatts per dayhelp Here you will see a value for how much energy (in watts, kilowatts or megawatts) the device will consume per day if it is used for the time you specify. The formula "Hours used per day" × "Power use" is used.:

Watts Kilowatts Megawatts

Hours Used Per Day: Indicate the average number of hours per day that the device is used. If the daily power usage is less than one hour, enter the number as a decimal (for instance, 30 minutes a day equals 0.5).

Power Use (Watts): Type in the watts that represent the device's typical power use.

Price (kWh): Enter the price per kilowatt hour you pay typically; our calculators use a default value of 0.10 (10 cents). Check your power bill for the precise cost.

An old-fashioned phone that connects to the phone line directly and has no power source costs you nothing to use since the power it draws is obtained straight from the phone line and is typically not regulated or subject to consumer charges.