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Fuel & Road Trip Gas Cost Calculator

Estimate exact fuel expenses for road trips, daily commutes, and split gas bills per passenger in US (Miles/MPG) or Metric (Km/L).

How much will gas cost for a 500-mile road trip?How much fuel does my car need for this distance?How much should each person pay when splitting road trip gas?
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Road Trip & Fuel Details

mi
MPG
$
Total Estimated Fuel Cost
$45.00

Requires 12.50 gallons of fuel across 350 miles.

Cost Per Mile
$0.13
Fuel Volume
12.5 gallons

How this calculation works

Calculates total gallons/liters needed based on vehicle efficiency and multiplies by prevailing pump price.

Formula
Fuel Cost = (Distance / Fuel Economy) × Fuel Price

Frequently asked questions

Driving at 75 mph uses approximately 15% to 20% more fuel than driving at 60 mph due to aerodynamic drag.

Private by design

Calculations run entirely in your browser. Your financial data is never sent to a server.

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