Fuel economy, fuel cost, and consumption calculators. Browse our free fuel tools below — all calculators are instant, accurate, and require no sign-up.
Annual Fuel Cost Calculator — Estimate your yearly fuel expense from annual miles, MPG, and gas price. Free annual fuel cost calculator for budgeting.
Commute Fuel Cost Calculator — Calculate your weekly and monthly commute fuel costs from distance, work days, MPG, and gas price. Budget your commute expenses.
Diesel vs Gasoline Calculator — Compare diesel vs gasoline fuel costs per mile and annual expenses. Factor in different MPG ratings and fuel prices side by side.
E85 vs Regular Gas Calculator — Compare E85 flex fuel vs regular gasoline cost per mile. Account for E85's lower MPG to find the true cheaper option.
Fuel Additive Cost Calculator — Calculate whether a fuel additive is cost-effective based on its price and claimed MPG improvement. Analyze additive ROI per mile.
Fuel Budget Planner — Plan your monthly fuel budget from driving miles, MPG, and gas price. Set realistic fuel spending targets for your household.
Fuel Cost Per Kilometer Calculator — Calculate fuel cost per kilometer from your L/100km consumption and fuel price per liter. Free metric driving cost calculator.
Fuel Cost Per Mile Calculator — Calculate how much each mile costs in fuel based on your MPG and gas price. Free per-mile fuel cost calculator for any vehicle.
Fuel Log Average MPG Tracker — Track your running average MPG from multiple fill-up entries. Log fuel stops to monitor vehicle fuel economy over time.
Fuel Octane Requirement Calculator — Compare the annual cost of using premium vs regular fuel. See if premium gas is worth the extra expense for your vehicle.
Fuel Savings Vehicle Comparison Calculator — Compare annual fuel costs between two vehicles to calculate fuel savings. See how much you save switching to a more efficient car.
Fuel Tank Range Calculator — Calculate how far you can drive on a full tank of gas based on tank size and MPG. Estimate your vehicle's driving range.
Gas Price Break-Even Calculator — Calculate if driving to a cheaper gas station saves money after factoring in extra distance. Find your fuel price break-even point.
Liters per 100km Calculator — Calculate fuel consumption in liters per 100 kilometers from distance driven and fuel used. Free L/100km fuel economy tool.
MPG Calculator — Calculate your vehicle's miles per gallon (MPG) fuel economy from distance driven and gallons used. Free online MPG calculator.
MPG to L/100km Converter — Convert between miles per gallon and liters per 100 km instantly. Free MPG to L/100km and L/100km to MPG converter.
Trip Fuel Cost Calculator — Estimate fuel cost for any road trip based on distance, MPG, and gas price. Plan your trip budget with this free calculator.