

How to Calculate the Fuel Mileage of a Semi Truck

by Chrissie Reinhart







  • The number of miles per gallon is rounded to the nearest hundredth. If the third number after the decimal is 5 or higher, round the second number after the decimal up (5.888 is rounded to 5.89). If the third number after the decimal is 4 or lower, keep the second number after the decimal the same (5.883 is rounded to 5.88).

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