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Gas Mileage & Fuel Economy Calculator (MPG / L/100km)

Calculate vehicle fuel economy in US MPG, Imperial UK MPG, km/L, and Liters per 100km based on odometer trip readings.

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Gas Mileage & Fuel Economy Calculator

Measure how efficiently your vehicle uses gas by tracking odometer miles and gallons pumped at fill-up.

Key Features:

  • US MPG, UK Imperial MPG, and L/100km conversions.
  • Fuel efficiency classification.
  • Trip cost estimation.

How to Use:

  1. Enter distance driven since last fill-up.
  2. Enter gallons or liters of fuel added.
  3. View fuel economy in MPG and L/100km.

Improving Fuel Efficiency

Proper tire pressure, reducing highway speeds, and avoiding aggressive acceleration can increase fuel economy by 10-25%.

Frequently Asked Questions:

Modern compact hybrid SUVs typically average 35-42 MPG, while conventional gasoline models average 24-30 MPG.