About PetrolCalculator

PetrolCalculator is a practical UK calculator and reference resource for petrol and diesel journey costs, fuel economy, MPG conversions, driving range, cost per mile, EV running costs and vehicle-related calculations.

Our approach is simple: calculate, understand, compare and decide. We focus on tools that explain their formulas clearly and use UK-relevant units where they apply.

Browse all calculators, estimate a journey with the Fuel Cost Calculator UK, or work out real-world economy with the MPG Calculator.