Fuel Tools & Calculators
Free tools to help you understand and reduce your fuel costs.
Commute Fuel Optimizer
Find the cheapest fuel along your daily commute. Enter home and work postcodes to discover stations on your route that could save you £200-400 per year.
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Motorway Rip-Off Detector
See how much extra motorway service stations charge vs nearby alternatives. Expose the premium and plan smarter fuel stops for long journeys.
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Brand Loyalty Calculator
Is sticking to Shell, BP, or Esso costing you hundreds? Enter your postcode and brand to calculate the annual price of fuel brand loyalty.
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Fuel Desert Checker
Check how many fuel stations are near your postcode. Identify fuel deserts — areas where station closures leave communities with limited access.
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Night Station Finder
Find fuel stations open at 2 AM, 4 AM, or any unsocial hour. Essential for shift workers, delivery drivers, and anyone who needs late-night fuel.
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Trip Cost Calculator
Estimate the fuel cost for any journey. Enter your route distance, vehicle MPG, and current fuel prices to see what your trip will cost.
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Fuel Savings Calculator
Compare two forecourts and see how much you could save per year by switching to a cheaper station for your regular fill-ups.
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MPG Calculator
Calculate your vehicle's actual miles per gallon (or litres per 100km) from your last fill-up. Track your fuel efficiency over time.
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Premium vs Regular Calculator
Is premium fuel worth the extra cost for your car? Calculate the annual price difference between E5 and E10, or premium and standard diesel.
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Petrol vs Diesel Calculator
Should you buy petrol or diesel? Compare annual fuel costs, cost per mile, and break-even time on the diesel purchase premium.
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Electric vs Petrol Cost Comparison
Compare the running costs of an electric vehicle vs a petrol or diesel car based on your annual mileage and local energy prices.
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Need to compare prices first?
Use our fuel price comparison tool to find the cheapest forecourt near you, then come back to calculate your savings. For fuel-saving tips, read our guide to saving money on fuel.