Energy Consumption Calculator

 

Energy consumption calculator. kWh calculator.

Typical appliance:  
Power consumption:    
Hours of use per day:  h/day
 
Energy consumed per day: kWh/day
Energy consumed per month: kWh/month
Energy consumed per year: kWh/year

 

Energy consumption calculation

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)

 

 

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