Gas Mileage Calculator - MPG & Trip Cost
Calculate MPG (miles per gallon), trip cost, and fuel expenses. Find cost per mile and estimate trip expenses. Perfect for road trips and fuel budgeting.
Part of Yoopla's 435+ free browser tools.
How to Use Gas Mileage Calculator
- 1
Choose calculation: MPG, trip cost, or cost per mile.
- 2
For MPG: enter miles driven and gallons used.
- 3
For trip cost: enter distance, MPG, and gas price.
- 4
For cost per mile: enter total cost and miles.
- 5
View results with km/L conversion.
Frequently Asked Questions
What is good gas mileage?▾
Excellent: 35+ MPG. Good: 25-35 MPG. Average: 20-25 MPG. Poor: below 20 MPG. Electric vehicles use MPGe (equivalent).
How to calculate MPG?▾
MPG = Miles Driven / Gallons Used. Fill tank, record miles, refill and note gallons. Divide miles by gallons for MPG.
How to improve gas mileage?▾
Maintain proper tire pressure, reduce speed, avoid rapid acceleration, remove excess weight, and keep engine tuned.
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