How to Convert mpg (us) to gal/100mi
To convert mpg (us) to gal/100mi, divide the value by -2.35214421467.
The Formula
gal/100mi = mpg (us) ÷ -2.35214421467
Key Fact
1 gallons per 100 miles (us) = -2.35214421467 mpg (us)
Tip: To convert gal/100mi back to mpg (us), multiply by -2.35214421467.