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Gallons/100 mile to miles/gallon (g/100 mi to mpg) Metric conversion calculator

Welcome to our gallons/100 mile to miles/gallon (g/100 mi to mpg) conversion calculator. You can enter a value in either the gallons/100 mile or miles/gallon input fields. For an understanding of the conversion process, we include step by step and direct conversion formulas. If you'd like to perform a different conversion, just select between the listed Fuel Economy units in the 'Select between other Fuel Economy units' tab below or use the search bar above. Tip: Use the swap button to switch from converting gallons/100 mile to miles/gallon to miles/gallon to gallons/100 mile.

gallons/100 mile (g/100 mi)

 

miles/gallon (mpg)

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Algebraic Steps / Dimensional Analysis Formula
g/100 mi *   1  
x g/100 mi 		* 100 mpg
1 100 mi/g		 = mpg

If you would like to switch between Fuel Economy units, select from the tables below

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