With the Free Online Appliance Energy Consumption Calculator, you can estimate the electricity usage and associated costs for your devices based on their power consumption and daily usage.Β
Just enter the wattage listed on your device, like a TV or refrigerator, along with the daily usage time and your electricity rate in kilowatt-hours.
Instructions
Appliance Name: Optionally enter the name of the device for which you want to calculate the electricity consumption, for example a television or refrigerator.
Power Consumption (W): Enter the power consumption of your device in watts. This can usually be found on the device itself or in the product documentation.
Usage Duration: Select whether you want to enter the daily usage in minutes, which is useful for devices like microwaves, in hours which may be typical for a television, or continuous usage which is common for devices such as security cameras.
Usage (minutes or hours): Enter the average daily usage of your device.
Electricity Price (per kWh): Optionally enter the cost of electricity per kilowatt hour (kWh). For a more realistic result, it is recommended to also include the grid fees per kWh in this value.
Calculation: Click on the "Calculate" button to generate the results.
Results: The results show the electricity consumption of your device in kWh per day, month and year. If you entered the electricity price, you will also see an estimate of how much your device costs to run over these periods.