UK fuel prices: petrol & diesel cost per litre
UK fuel prices are the average pump price you pay for road fuel, measured in pence per litre. The latest UK-average prices are 153.26p per litre for petrol and 172.47p per litre for diesel (Week commencing Monday 22 June 2026). A 100-mile trip at 50 mpg uses 9.1 litres — about £13.93 on petrol. Work out any journey below.
Source: GOV.UK Weekly road fuel prices (DESNZ), Week commencing Monday 22 June 2026. Open Government Licence v3.0. Updated June 2026.
Quick answer (Week commencing Monday 22 June 2026): the UK-average pump price is 153.26p/litre for petrol and 172.47p/litre for diesel — diesel is 19.21p dearer per litre. A 100-mile journey at 50 mpg (9.1 litres) costs about £13.93 on petrol or £15.68 on diesel.
Journey fuel-cost calculator
Enter your trip and your car's economy. We apply the real latest GOV.UK UK-average pump price (Week commencing Monday 22 June 2026) to show the litres used and what the fuel costs.
- Fuel used
- 9.1 L
- Journey cost
- £13.93
153.26p/litre × 9.1 L. Pump price: GOV.UK weekly road fuel prices, Week commencing Monday 22 June 2026.
Petrol vs diesel: cost per litre
Latest UK-average pump prices and what the same 9.1-litre fill (a 100-mile / 50 mpg trip) costs on each fuel.
| Fuel | Price (p/litre) | 100 mi @ 50 mpg | 13-week change |
|---|---|---|---|
| Unleaded petrol (ULSP) | 153.26p | £13.93 | +4.48p |
| Diesel (ULSD) | 172.47p | £15.68 | −4.05p |
Per litre, petrol is the cheaper fuel; diesel cars are usually more efficient, so compare cost-per-mile in the calculator using your own mpg. Change is across the last 13 published weeks.
Recent UK fuel price trend
UK-average pump prices for the most recent 8 published weeks, newest first, straight from the GOV.UK weekly road fuel prices CSV.
| Week commencing | Petrol (p/litre) | Diesel (p/litre) |
|---|---|---|
| 22 Jun 2026 | 153.26p | 172.47p |
| 15 Jun 2026 | 155.54p | 176.71p |
| 8 Jun 2026 | 157.95p | 181.79p |
| 1 Jun 2026 | 158.74p | 184.11p |
| 25 May 2026 | 158.78p | 185.07p |
| 18 May 2026 | 157.39p | 186.56p |
| 11 May 2026 | 156.81p | 188.14p |
| 4 May 2026 | 156.82p | 188.79p |
GOV.UK Weekly road fuel prices (DESNZ). Open Government Licence v3.0.
UK fuel prices — frequently asked questions
What is the average price of petrol and diesel in the UK right now?
As of Week commencing Monday 22 June 2026, the UK-average pump price is 153.26p per litre for unleaded petrol and 172.47p per litre for diesel, according to GOV.UK weekly road fuel prices (DESNZ). Diesel is currently about 19.21p per litre dearer than petrol.
How do I calculate the fuel cost of a journey?
Litres used = (miles ÷ mpg) × 4.54609, then cost = litres × pump price ÷ 100. For example, 100 miles at 50 mpg uses 9.1 litres, which is about £13.93 on petrol or £15.68 on diesel at current prices. Use the calculator above to do it for your own car.
Is petrol or diesel cheaper to run in the UK?
Per litre, petrol is cheaper (153.26p vs 172.47p for diesel). Diesel engines are usually more fuel-efficient, so the cost-per-mile gap is smaller than the per-litre gap — whether diesel works out cheaper depends on your specific mpg and annual mileage. Compare your own figures in the calculator.
Where do these UK fuel prices come from?
They are the official UK-average pump prices published weekly by the Department for Energy Security and Net Zero (DESNZ) under the Open Government Licence v3.0, for Week commencing Monday 22 June 2026. We do not add a markup or estimate — the figures are exactly as published.
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Sources & method
Pump prices from the GOV.UK / DESNZ Weekly road fuel prices statistics (Week commencing Monday 22 June 2026), published under the Open Government Licence v3.0. We publish the UK-average figures exactly as released. Journey cost = (distance ÷ economy, converted to litres) × pump price; an imperial gallon is 4.54609 litres. GOV.UK weekly road fuel prices.