COSTOMETER Your garage

What is your car really getting per gallon?

Works on any gas car, even one with no MPG readout. Nothing is saved.

  1. 1Fill the tank until the pump clicks off
  2. 2Reset your trip meter to zero
  3. 3At the next fill-up, enter the three numbers below
Price per gallon, from your numbers
Fill-upcostometer.app
Miles per gallon
per mile
per 100 miles
per gallon
Same miles
This car An EV

Use your own numbers.