Guide
How to calculate your car's real MPG
A fill-to-fill method, imperial MPG formula and common measurement errors.
GuideHow to calculate the cost of a car journey
Miles, MPG, fuel price, tolls and cost sharing explained.
GuideWhat does a car really cost to run?
Fuel, insurance, maintenance, tax, MOT and depreciation.
GuideHow to calculate EV charging cost
Battery kWh, state of charge, losses and electricity price.
GuidekW vs kWh for electric cars
A simple explanation of power and energy.
GuideWhere to check UK fuel prices
How to use current prices without hard-coding them into a calculator.