How do I calculate MPG?
Reset your trip odometer when filling up, then divide miles driven by gallons used at the next refill.
Calculator
Enter your values
Results
Total Trip Cost
$14.00
Fuel Needed
4.00 gal
Cost per mile
$0.14
Trip Cost Analysis
See how distance, efficiency, and fuel price combine
Trip Summary
A 100 mile trip at 25 MPG and 3.50 per gallon costs about $14.00.
Fuel Needed
You will use approximately 4.00 gallons of fuel, at a cost of $0.14 per mile.
How to Use
Step-by-step instructions
- 1Select your unit system, US or Metric.
- 2Enter the trip distance.
- 3Enter your vehicle fuel efficiency.
- 4Enter the fuel price to estimate total trip cost.
Fuel Cost
Determines total fuel required based on distance and vehicle efficiency, then multiplies by fuel price.
Cost = (Distance / Efficiency) x PriceVariables:
dDistanceeffEfficiency (MPG or L/100km)pPrice per unitExample
Road Trip
Inputs:
Distance:100 miles
MPG:25
Price:$3.50/gal
Steps:
- 1.Fuel = 100 / 25 = 4 gallons
- 2.Cost = 4 x 3.50 = $14.00
Result:
$14.00