⛽ Gas Mileage Calculator - MPG & Fuel Economy

Free MPG calculator. Calculate gas mileage, fuel economy, cost per mile. Track your car's fuel efficiency and estimate trip costs.

Miles Driven

Gallons Used

Gas Price per Gallon ($)

📊 Fuel Economy Results

Miles Per Gallon

0

MPG

Total Cost

$0

Spent

Cost Per Mile

$0

Per Mile

🚗 Trip Cost Estimator

Trip Distance (miles)

How to Calculate MPG

Formula: MPG = Miles Driven ÷ Gallons Used

Example: If you drove 300 miles and used 12 gallons: 300 ÷ 12 = 25 MPG

MPG Efficiency Guide

Excellent: 40+ MPG (Hybrids, small cars)
Good: 30-40 MPG (Sedans, compact cars)
Average: 20-30 MPG (Mid-size cars, small SUVs)
Below Average: 15-20 MPG (Large SUVs, trucks)
Poor: Below 15 MPG (Large trucks, performance cars)

Tips to Improve Gas Mileage

Maintain proper tire pressure (improves MPG by 3%)
Drive at steady speeds, avoid aggressive acceleration
Remove excess weight from vehicle
Use cruise control on highways
Keep engine tuned and well-maintained
Avoid excessive idling
Use the recommended motor oil grade