β›½ Fuel Cost Calculator

Estimate the gas cost of any road trip. Enter your distance, fuel efficiency, and gas price to get an instant estimate.

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Unit System
mi
MPG
$/gal
1
person(s)
$35.00
Total Fuel Cost
$35.00
Per Person
10.0 gal
Fuel Used
$0.12
Cost per Mile
$70.00
Round Trip Cost
$70.00
Round Trip / Person
Common Trip Distances
πŸ™οΈ City Commute
15 miles (one way)
πŸ–οΈ Day Trip
120 miles (one way)
πŸ›£οΈ Weekend Road Trip
300 miles (one way)
πŸ—ΊοΈ Long Road Trip
800 miles (one way)
πŸŒ… Coast to Coast
2,800 miles (US avg)
πŸ”οΈ Cross-Country
1,500 miles (one way)
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Frequently Asked Questions

How is fuel cost calculated?
Fuel cost = (Distance Γ· Fuel Efficiency) Γ— Fuel Price. For example, a 300-mile trip in a car that gets 30 MPG with gas at $3.50/gallon: (300 Γ· 30) Γ— $3.50 = 10 gallons Γ— $3.50 = $35.00.
What is a good MPG for a car?
For passenger cars, 30–40 MPG is considered good for highway driving. Compact cars typically get 35–45 MPG, midsize sedans 28–38 MPG, SUVs 22–30 MPG, and trucks 16–24 MPG. Hybrid vehicles typically achieve 45–60 MPG and EVs are measured in MPGe (miles per gallon equivalent).
How do I convert L/100km to MPG?
To convert from L/100km to MPG: divide 235.21 by the L/100km value. For example, 8 L/100km = 235.21 Γ· 8 β‰ˆ 29.4 MPG. This calculator handles the conversion automatically when you switch to metric mode.
Does this include the cost of oil, maintenance, or tolls?
No β€” this calculator estimates fuel cost only. For a full trip budget, you would also need to account for tolls, parking, food, accommodation, and vehicle wear-and-tear (typically estimated at $0.10–$0.15 per mile for maintenance and depreciation).
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