Quick Fuel Cost Calculator
Get a quick trip or annual fuel spend estimate using UK defaults.
Use this calculator when you want a fast estimate without entering vehicle efficiency. Choose a single journey or annual view, pick your fuel type, and we will apply a UK average MPG and the latest Gov.uk weekly price.
You can override the price if you already know your local pump rate, or jump to the journey cost calculator for a more detailed efficiency-based estimate. You can also browse the locations hub to compare county and town pages before you fill up.
When to use this calculator
Use this for fast trip or annual fuel budgeting when you want a practical estimate in under a minute.
Inputs
UK unitsWe start with 35 MPG and you can edit it below.
Edit this if you know your vehicle's MPG.
National average 135.7p/L (week of 2026-03-09).
Results
Enter your details to calculate
Fill in the form to see your results.
How this is calculatedv
- You enter trip distance or annual miles and choose fuel type.
- We apply MPG and fuel price assumptions (or your override).
- We estimate litres used and convert to trip and annual cost.
Need a more detailed estimate?
If you know your vehicle efficiency, the journey cost calculator can refine the result and compare fuel types. You can also explore brand averages or use the route planner when you are travelling longer distances.