Gas & Fuel
MPG, L/100km, km/L conversions and trip fuel cost estimator
Fuel efficiency conversions and trip cost estimates help drivers budget for road trips and compare vehicles across different measurement systems. The United States uses miles per gallon (MPG), most of Europe uses liters per 100 kilometers (L/100km), and some countries use kilometers per liter (km/L). Our tools convert between all three and estimate trip fuel costs based on distance, fuel economy, and gas prices.