MPG / Fuel Efficiency Calculator
Compute MPG (UK/US) or L/100km from miles and litres.
About the MPG calculator
Use this mpg / fuel efficiency calculator for van trip fuel & journey costs. Compute MPG (UK/US) or L/100km from miles and litres.
Enter your mpg details
Your mpg results
MPG (UK)
31.8
MPG (US)
26.5
L / 100km
8.88
km / L
11.27
Why mpg matters for van trip fuel & journey costs
Plan with confidence
Getting your mpg numbers right early avoids costly rework, undersized components and surprises on the road.
Related fuel & trips tools
Pair this with the rest of our fuel & trips calculators to plan your full van conversion.
MPG calculator FAQ
- What does the MPG / Fuel Efficiency Calculator do?
- Compute MPG (UK/US) or L/100km from miles and litres. It is designed for van trip fuel and journey costs so you can plan with confidence.
- Is the mpg calculator free to use?
- Yes. All VanTools calculators, including the MPG / Fuel Efficiency Calculator, are free to use with no sign-up required.
- How accurate are the mpg results?
- Results are estimates based on the values you enter and standard van trip fuel and journey costs assumptions. Always sanity-check against manufacturer data and your real-world conditions.
- Can I share or save my mpg calculation?
- Yes. Use the Share button to copy a link that includes your inputs, or use Export to download a PDF or image of your results.