Fuel Cost Calculator UK

100 Mile Fuel Cost Calculator

A quick benchmark: what does it cost your car to drive 100 miles?

Cost to drive 100 miles

Cost to drive 100 miles

£14.65

50 miles

£7.32

200 miles

£29.30

Fuel for 100 miles

10.1 L

Cost to drive 100 miles by MPG

The answer depends on your car's fuel economy, the fuel price and driving conditions. At £1.45 a litre:

  • 25 MPG: about £26.37
  • 35 MPG: about £18.83
  • 45 MPG: about £14.65
  • 55 MPG: about £11.99
  • 65 MPG: about £10.14
Car driving along a UK country road

The formula

Cost of 100 miles = (454.6 ÷ MPG) × price per litre

454.6 is 100 miles × 4.546 litres per gallon. For other distances, scale it: 50 miles is half, 200 miles is double. For any distance at all, use the full fuel cost calculator, or see your 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 it cost to drive 100 miles?+

At £1.45 a litre: about £21.97 at 30 MPG, £16.48 at 40 MPG, £13.18 at 50 MPG and £10.99 at 60 MPG.

How much fuel do I need for 100 miles?+

454.6 ÷ MPG litres. At 40 MPG that's about 11.4 litres.

How much does 50 miles cost in fuel?+

Half the 100-mile cost — about £8.24 at 40 MPG and £1.45 a litre.

Why use 100 miles as a benchmark?+

It's an easy round number for comparing cars and fuel prices, and scales simply to any other distance.

Related calculators

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