Energy Usage Calculator
The Energy Usage Calculator helps you estimate how much electricity your devices use. Simply enter the power rating of the device in watts and how many hours it’s used per day, and the tool will calculate daily, monthly, and yearly energy consumption in kilowatt-hours (kWh).
Frequently Asked Questions
What is a kilowatt-hour (kWh)?
A kilowatt-hour is a unit of energy that equals using 1000 watts for one hour. It's how electricity usage is measured.
How accurate is this energy calculator?
It provides a good estimate based on power rating and usage time. For exact values, use a power meter.
Can I use this for multiple devices?
This calculator is for one device at a time. To calculate for multiple devices, repeat the process and add the results.
Why is tracking energy usage important?
Understanding your energy consumption helps reduce electricity bills and supports energy-saving habits.
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