How to calculate kilowatt-hours per 100km (kWh/100km) Less common but also used frequency is kilowatt-hours per 100km – essentially a metric version of the imperial miles per kilowatt-hour.

Miles per gallon (MPG) is becoming less relevant as more drivers switch to electric cars and need to know about miles per kWh. Here' s how to calculate EV efficiency.

Thankfully, working out how much power your home needs is relatively easy and we have two ways that you can calculate your kWh usage on a per day basis.