# Online Energy Consumption Calculator

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# Energy Consumption Calculator

Energy consumption calculator. kWh calculator.

## Energy consumption calculation

Energy Use Calculator offers electricity usage calculators for various devices. Allowing you to calculate the electrical cost of your home appliances, and helping you save power consumption costs.

The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt:

*E*_{(kWh/day)} = *P*_{(W)} × *t*_{(h/day)} / 1000_{(W/kW)}