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Calculators/Everyday
MPG Calculator — Gas Mileage & Fuel Cost
Calculate your car's gas mileage (MPG) from miles driven and gallons used. See your cost per mile and estimated annual fuel cost.
mi
gal
$/gal
Fuel Cost Breakdown
MPG30.0
Cost per Mile$0.117
Annual Cost (15,000 mi)$1,750.00
Weekly Cost (15,000 mi)$33.65
Gas Mileage
30.0 MPG
Cost/Mile
$0.117
Est. Annual Cost
$1,750.00
How to Use This Calculator
1
Fill up and reset your trip odometer
For best accuracy, fill your tank completely, reset the trip odometer, drive normally, then fill up again and note the miles and gallons.
2
Enter miles and gallons
From your last fill-up. The more miles you drive per tank, the more accurate your MPG reading.
3
Set the gas price
Use today's price at your local station for the most accurate cost estimates. Annual cost assumes 15,000 miles/year.
Real-World Examples
Sedan: 300 miles, 10 gallons at $3.50
Miles
300
Gallons
10
Gas Price
$3.50
Result30 MPG — $0.117/mile
A typical mid-size sedan gets 28–32 MPG on the highway. Annual cost at 15K miles: ~$1,750.
SUV: 250 miles, 14 gallons at $3.80
Miles
250
Gallons
14
Gas Price
$3.80
Result17.9 MPG — $0.213/mile
Large SUVs typically get 15–20 MPG. At 15K miles/year, fuel costs exceed $3,100 annually.
Frequently Asked Questions
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