Fuel Cost Calculator
Trip fuel costs in seconds — distance, efficiency, and price to total cost.
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Honest limits
Fuel-cost estimates only, from the efficiency and price you enter. Real consumption varies with traffic, load, AC, driving style, and terrain (typically 5–15% worse than lab figures). Tolls, parking, and vehicle wear are not included — add them separately for true trip cost.
How to use the Fuel Cost Calculator
- Choose imperial (miles, mpg, $/gallon) or metric (km, L/100km, price/liter).
- Enter the distance, your vehicle's fuel efficiency, and the fuel price.
- Read the total cost, cost per mile/km, and fuel needed — live as you type.
Examples
Example
300 mi, 30 mpg, $3.50/gal → 10 gal, $35.00 total, $0.117/mi.
What this tool doesn't do
- Fuel only — tolls, parking, and vehicle wear are not included.
- Real consumption is typically 5–15% worse than lab efficiency figures.
- Use the fuel price where you'll actually fill up — prices vary by station.
Frequently asked questions
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