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Re l/100km vs MPG



Dear Kevin,

Here is the formula :
 X l/100KM            =>  (X/3.785/100) G/KM          1 Gallon = 3.785 liters
 (X/3.785/100) G/KM   =>  (X/3.785/100*1.609)  GPM    1 Mile   = 1.609 km
                         = X*0.004521  GPM
 X*0.004521 GPM       =>  1/(X*0.004521) MPG  
                         =  235.2/X   MPG
                     
So, if you OBC says 21.3,  235.2/21.3 = 11.04 MPG

Damien Veyret
'94 318is