Scope
This compares energy only. It does not include purchase price, finance, insurance, maintenance, tax or depreciation.
Formula
Petrol: miles ÷ MPG × 4.54609 × p/litre. EV: miles ÷ miles/kWh × p/kWh.
Charging prices vary
Home and public charging can have very different prices, so enter the price that matches your expected charging pattern.