Fuelio blog

Guides for drivers and news from the Fuelio apps.

Guides

Fuel nozzle resting in a car's filler neck beside a notebook with odometer readings

How to calculate your car's MPG

Calculate miles per gallon with the full-tank method: miles driven divided by gallons added. Worked examples, partial fill-ups, tank level and US vs UK gallons.

Small European car on a winding mountain road with kilometer posts along the edge

How to calculate fuel consumption in l/100 km

The l/100 km formula with worked examples: liters used ÷ kilometers driven × 100. Plus km/l, converting to MPG and handling partial fill-ups.

Car keys, folded receipts and a coffee cup on a wooden table next to a parked car seen through a window

How to track car expenses

A simple system for tracking car expenses: what to record, which categories to use, how to handle receipts and how to turn it all into monthly totals.

Car driving on an empty highway at sunset with mile markers along the shoulder

How much does your car cost per mile?

Work out your car's real cost per mile or kilometer: add up a year of fuel, insurance, service and fees, divide by distance. Worked example included.

Packed car parked at a scenic desert overlook with luggage on the roof

How to calculate the fuel cost of a road trip

Trip fuel cost = distance ÷ MPG × price per gallon. Worked examples in miles and kilometers, plus how to make the estimate realistic.

Autogas filling nozzle connected to a car's LPG inlet next to the regular fuel cap

How to track LPG consumption in a bi-fuel car

Track LPG (or CNG) and gasoline separately in a bi-fuel car: log each tank on its own, calculate l/100 km per fuel and compare the real cost per kilometer.

Mechanic's hands holding a new oil filter above an open car engine bay

How to keep track of oil changes and car maintenance

Set maintenance reminders by mileage and by date, whichever comes first. Which services to track, how to keep the odometer current and how to log the work.

Brightly lit gas station at night seen across a quiet city street

How to find cheaper gas prices near you

Find cheaper gas without wasting the savings on detours: compare gas prices on a map, know your area average and fill up where you already drive.

Smartphone held beside the open fuel flap of a violet car at a gas station at dusk

How to track fuel consumption

Track your car's fuel consumption in four steps: fill to full, note the odometer, repeat, then divide. What to record, how often and which tool to use.

Red commuter motorcycle parked at a roadside fuel pump on a warm evening

How to calculate mileage (km/l) of a car or bike

Mileage in km/l is distance driven divided by fuel used. Worked examples for a car and a bike, plus conversions to l/100 km and MPG.