About Us

This site is built around one simple mission: help everyday drivers understand their fuel efficiency and make smarter decisions at the pump. Fuel is one of the largest ongoing costs of owning a car, and knowing your miles per gallon can add up to real savings over the life of a vehicle. Our tagline says it best — Calculate Smarter. Drive Further.

We build free, easy-to-use tools that take the guesswork out of fuel math. Whether you want to calculate your miles per gallon, convert between MPG and L/100km, estimate the cost of a road trip, or compare fuel savings between two vehicles — you get fast, reliable answers without sign-ups, paywalls, or clutter. Every calculator is free, on any device.

Accuracy matters. Every calculator on this site is built on well-established formulas — the same ones used by the U.S. Department of Energy (DOE) and the EPA's fuel economy testing program — so you can trust the numbers you get. We also publish practical guides in our blog to help you put those numbers into context — from improving your driving habits to choosing a more efficient vehicle.

This tool is for anyone who drives: commuters watching their monthly fuel budget, families planning long trips, rideshare drivers tracking real costs, and car shoppers comparing efficiency before they buy. Whoever you are — we're here to help you get more out of every gallon.

What We Offer

• Trip Cost Calculator — plan any drive with a precise fuel cost estimate
• Fuel Savings Calculator — compare two vehicles and see exactly what you save
• MPG to L/100km Converter — switch between US and metric fuel standards
• UK MPG Calculator — Imperial gallons for British and Irish drivers
• Fuel Cost Calculator — break down cost per mile, per week, per year
• RV MPG Calculator — specialized for motorhomes and large vehicles
• And many more free tools — explore the full suite

Contact

Questions, feedback, or suggestions? We'd love to hear from you. Reach us at hello@milespergalloncalculator.com or use our contact form.