So, what is miles/kWh and how do we calculate it? Here's our guide to working ... so make sure this is the figure you use for the calculation rather than the 'gross' number. The range figure ...

by the total energy consumption in watt-hours (Wh). To calculate how much it costs you to run the air conditioning per hour, multiply the unit power by the average cost per kWh and divide it by 1,000.

Power in kilowatts x hours used per day = daily energy usage in kilowatt-hours To calculate daily energy usage for an appliance, multiply the power consumption of an appliance in kilowatts by the ...