Calculate road trip fuel consumption, total gas expenses, and fair per-passenger carpool splits with metric and imperial units.
Total Fuel Cost
Plan road trip travel budgets and carpool gas splits with accuracy. Switch between metric (km, L) and imperial (miles, gallons) with one click.
Fast and easy from start to finish
Type in your planned road trip distance and check Round Trip if applicable.
Enter your car's fuel consumption rate (L/100km or MPG).
Enter current fuel price and passenger count to view individual shares.
What you can do with this tool
Metric (km, Liters, $/L) and Imperial (miles, Gallons, $/gal) support.
Round trip toggle that automatically doubles distance and fuel estimates.
Passenger carpool split calculator for sharing gas costs fairly.
Instant metrics showing total fuel needed, overall cost, and cost per km or mile.
Unlock batch scale, higher resolution, and expanded limits
Calculate fuel costs across multiple waypoints and border crossings.
Track fuel expenses and cost-per-mile across multiple vehicles.
Generate itemized gas reimbursement summaries for travel companions.
Everyday walkthroughs and starter ideas for Fuel Cost & Road Trip Calculator
Calculate gas for a 350 km trip in a car using 7.5 L/100km with gas at $1.65/L ($43.31 total).
Split a 400-mile road trip among 4 passengers in a 25 MPG vehicle.
File requirements, capabilities, and system limits
Actual vehicle fuel consumption varies based on driving speed, terrain, tire pressure, and cargo weight.
Helpful definitions of features and parameters
The relationship between the distance traveled and the amount of fuel consumed (expressed in MPG or L/100km).
Dividing total travel fuel costs evenly among all passengers sharing the ride.
How creators, students, and professionals use Fuel Cost & Road Trip Calculator
Budgeting road trips and holiday driving vacations
Splitting carpool gas money among colleagues or road trip friends
Comparing driving costs versus train or flight tickets
Answers to common questions about Fuel Cost & Road Trip Calculator
Check your car's dashboard trip computer or owner's manual for city and highway fuel efficiency ratings.
This tool focuses purely on fuel expenses. Tolls and vehicle wear-and-tear can be calculated separately.
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