UK Fuel Cost Calculator
Calculate trip costs, monthly fuel expenses, and compare Petrol, Diesel & Electric vehicles with current 2026 UK fuel prices.
Trip Fuel Cost
Monthly Running Cost
Fuel Type Comparison
Trip Fuel Cost
How Fuel Costs Are Calculated in the UK
Current average fuel prices (May 2026): Petrol ≈ £1.48/L, Diesel ≈ £1.52/L. Electricity for EVs is calculated at the UK domestic rate.
Use this calculator to plan journeys, budget monthly expenses, or decide between petrol, diesel, or electric vehicles.
Frequently Asked Questions
Divide 282.5 by your MPG figure. Example: 45 MPG = 6.28 L/100km.
Prices remain volatile due to global oil markets and UK fuel duty. Check current prices regularly.
Yes, significantly cheaper per mile, especially with home charging. However, upfront cost is higher.