Fuel Cost Calculator
Free online fuel cost calculator. Estimate your trip fuel cost from distance, consumption (L/100km or mpg), and price.
Total Fuel
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liters
Cost per km
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Total Cost
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How It Works
- Enter the trip distance in kilometers or miles.
- Input your vehicle's fuel consumption in L/100km or miles per gallon (mpg).
- Enter the current fuel price per liter or gallon.
- Click 'Calculate' to instantly see the estimated fuel cost for your trip.
- Adjust the values to compare fuel costs for different routes or vehicles.
Example
Input: Distance: 300 miles, Consumption: 35 mpg, Price: $3.50/gallon
Result: Fuel needed: 8.57 gallons, Total cost: $30.00
FAQ
The calculator divides the distance by the fuel efficiency to find the total fuel needed, then multiplies by the price per gallon (or liter). For example: 300 miles ÷ 35 mpg = 8.57 gallons × $3.50 = $30.00.
Your data is completely private. All processing is done client-side in your browser — no data is sent to any server or third party. Your inputs never leave your device.
Yes! The calculator supports both metric units (kilometers, L/100km) and imperial units (miles, mpg). Simply select your preferred unit before entering values.
The results are estimates based on the consumption figure you provide. Real-world fuel consumption can vary depending on driving style, road conditions, vehicle load, and weather.
Yes, the fuel cost calculator is completely free. No registration, download, or payment is required.