Fuel Cost Calculator UK

Petrol Cost Per Mile Calculator

See what each mile costs you in petrol, based on your car's real MPG and today's pump price.

Petrol cost per mile

Cost per mile

14.6p

Per 10 miles

£1.46

Per 50 miles

£7.32

Per 100 miles

£14.65

At 45 MPG your car uses 0.101 litres per mile (4.546 litres in a UK gallon ÷ 45). Multiply by £1.45 a litre and each mile costs 14.6p.

Typical petrol costs per mile

With petrol at £1.45 a litre, here's what different petrol cars might cost to run on fuel alone:

  • City car, 55 MPG: about 12.0p per mile
  • Family hatchback, 45 MPG: about 14.6p per mile
  • Petrol SUV, 35 MPG: about 18.8p per mile
  • Performance car, 28 MPG: about 23.5p per mile
Hand holding a petrol pump nozzle at a UK filling station

How petrol price changes affect you

For a 45 MPG car, every 10p change in the price of a litre moves the cost per mile by about 1p. Over 8,000 miles a year that's roughly £80.

To price up a whole journey, use the petrol cost calculator. Comparing with a diesel? See diesel cost per mile.

Ways to reduce your motoring costs

Fuel is only part of the cost of running a car. Shopping around each year for car insurance and breakdown cover, keeping on top of servicing and checking tyres regularly can all make a difference. We plan to add independent pointers here over time.

Frequently asked questions

How much does petrol cost per mile in the UK?+

It depends on your car. At £1.45 a litre, a 45 MPG petrol car costs about 14.6p per mile, while a 35 MPG car costs about 18.8p.

What is the cost of petrol per mile for a small car?+

Small petrol cars often achieve 50–55 MPG, which at £1.45 a litre is roughly 12–13p per mile.

How does petrol price affect cost per mile?+

Every 10p rise in the price per litre adds about 1p per mile for a 45 MPG car.

Related calculators

Petrol Cost Calculator→Diesel Cost Per Mile→Fuel Cost Per Mile→MPG Calculator→100 Mile Fuel Cost→Fuel Cost Calculator→