Free UK Fuel Economy Calculators
A suite of free calculators to help you understand the true cost of running your car. Work out your real-world MPG, find the cheapest local fuel station, calculate journey costs, and compare the annual running costs of different vehicles — including petrol, diesel and electric.
Which Local Fuel Station?
Use our database of 7279 fuel stations to find the cheapest station near you.
FindCompare Two Cars
Compare the full annual running costs — fuel, tax, insurance and more — of two vehicles.
ComparePetrol vs Diesel Break-Even
Find out how many miles you need to drive before the diesel version of a car pays back its higher purchase price.
CalculateTwo Cars vs One
Would two cheaper cars cost less to run than one car covering all your miles? Find out here.
CompareOne Car vs Two
Thinking of replacing two cars with one? See whether a single new car would be cheaper to run.
CompareFleet Running Costs
Calculate and compare the annual running costs for a fleet of up to four vehicles.
CalculateWeekly/Monthly/Annual Fuel Cost
Calculate your fuel cost over a period based on MPG, distance and price.
CalculateHow Much Will a Journey Cost?
Calculate a journey cost based on the current fuel price and distance.
CalculateHow Far Will £X Get Me?
How far will you get from a certain value of fuel? We've all wondered this, especially at motorway services!
CalculateUK Fuel Price Statistics
Live national and regional fuel price averages, brand comparisons, price trends and cheapest stations nationwide.
View Stats