Fuel Economy Calculator

Calculate fuel efficiency, trip costs, and compare vehicle fuel economy

Calculate Fuel Economy

Fuel Economy Guide

Fuel Economy Ratings:

  • Excellent: 40+ MPG (hybrid/electric)
  • Good: 30-39 MPG (efficient cars)
  • Average: 25-29 MPG (standard cars)
  • Below Average: 20-24 MPG (larger vehicles)
  • Poor: Under 20 MPG (trucks/SUVs)

Improving Fuel Economy:

  • • Maintain steady speeds and avoid rapid acceleration
  • • Keep tires properly inflated
  • • Remove excess weight from vehicle
  • • Regular maintenance (oil changes, air filters)
  • • Use cruise control on highways
  • • Plan trips to combine errands

Conversion Reference:

  • • 1 MPG = 0.425 km/L
  • • 1 gallon = 3.785 liters
  • • 1 mile = 1.609 kilometers
  • • L/100km = 235.2 ÷ MPG
  • • Average US car: ~25 MPG
  • • Average annual miles: ~12,000