Home & travel FREE CALCULATOR
Fuel & journey cost
Work out fuel use and cost for a journey in miles, using UK MPG.
Your numbers
Example values are filled in. Change them to suit you.
⌁ Your entries are calculated in this browser.
Your result
Ready when you are.
Enter your numbers and select Calculate to see the breakdown.
Fuel only: parking, tolls, wear, insurance and other vehicle costs are excluded. Traffic, speed, load and weather affect consumption.
How it works
Litres = miles ÷ UK MPG × 4.54609. Journey cost = litres × pence per litre ÷ 100. A return journey doubles the entered distance.
A quick example
100 miles at 45 UK MPG uses about 10.10 litres. At 145p per litre, fuel costs about £14.65.
Good to know
Is this UK or US MPG?
UK imperial MPG. A UK gallon is 4.54609 litres; a US gallon is smaller.
Is the fuel price live?
No. Enter your local pump price for a useful estimate.