Fuel Calculator: Gas Mileage

How much will that road trip really cost? Fuel Calculator gives you the answer in seconds. This fast, lightweight tool estimates your travel cost, calculates fuel consumption and economy, and works out exactly how much fuel you'll need — wherever you are in the world and whatever units you use.

Whether you drive a car, motorcycle, truck or van, Fuel Calculator helps you understand your vehicle's efficiency, compare fill-ups and plan smarter, cheaper journeys. Switch effortlessly between metric, imperial and US units to match your region.

WHAT YOU CAN CALCULATE

• Trip fuel cost — estimate what your journey will cost before you set off.

• Fuel consumption — see how much fuel your trip or vehicle uses.

• Fuel economy & efficiency — measure how far you go per liter or gallon.

• Fuel needed — work out how much to put in for the distance ahead.

• Road trip distance — factor distance into every calculation.

SUPPORTED UNITS

• Efficiency: l/100km, l/10km, l/km, l/mi, mpg (US), mpg (UK), mpl, km/l, km/US gal, km/imp gal, US gal/100mi, imp gal/100mi.

• Distance: kilometers (km) and miles (mi).

• Volume: liters (l), US gallons and imperial gallons.

WHY YOU'LL LOVE FUEL CALCULATOR

• Truly global — imperial, metric and US customary units all supported.

• Many efficiency formats — from l/100km to miles per gallon and beyond.

• Adjustable decimals — control the precision of every result.

• Helpful content — useful information about cars, motorcycles, trucks and more.

• Lightweight & fast — quick answers with zero clutter.

• Works offline — no internet connection required.

• Light & dark themes — a clean, minimalist design.

• 70+ languages — built for drivers worldwide.

HOW IT WORKS

1. Choose what you want to calculate — cost, consumption or efficiency.

2. Enter your distance, fuel price and vehicle figures.

3. Get an instant, accurate result in your preferred units.

PERFECT FOR

• Planning road trips and budgeting fuel costs.

• Comparing the real economy of different vehicles.

• Drivers, commuters, couriers and fleet owners.

• Anyone who wants to spend less at the pump.

Fuel is one of the biggest costs of driving, and small savings add up fast. By understanding your true consumption and planning trips with real numbers, Fuel Calculator helps you drive more efficiently, budget with confidence and keep more money in your pocket.

WHY EVERY DRIVER NEEDS FUEL CALCULATOR

Fuel prices change, routes vary, and every vehicle sips or guzzles differently. Guessing leaves you over- or under-budget and in the dark about your real efficiency. With accurate, unit-flexible calculations you can compare cars before you buy, decide whether to drive or fly, split costs fairly on a shared trip, and spot when your vehicle suddenly starts using more than it should.

MADE FOR EVERY ROAD AND REGION

From liters per 100 km in Europe to miles per gallon in the US and UK, Fuel Calculator speaks your local language of distance and volume. Mix and match units freely, set the number of decimals you need, and get results you can trust whether you're planning a daily commute, a cross-country haul or a weekend getaway.

Fuel calculator and gas mileage tool: estimate trip fuel cost, calculate consumption, economy and efficiency in l/100km, MPG or km/l, convert between liters and gallons, and plan cheaper journeys for any car, motorcycle or truck.

Download Fuel Calculator today and take control of every mile and every dollar.