DEF Consumption Calculator

Calculate Diesel Exhaust Fluid (DEF) usage and cost for your trip.

Enter the trip miles value for this calculation.
The speed or frequency at which something occurs.
Fuel consumption or efficiency.
Monetary value in dollars or specified currency.

Results

DEF Required:
Calculated def required based on your inputs.
-gal
DEF Cost:
Estimated cost in dollars.
-$
Reference: Industry Standards.