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Popular Automotive Math Formulas

Popular Automotive Math Formulas and Conversions

RPM = mph X gear ratio X 336 divided by tire diameter.

TO CONVERT FROM:
Miles to Kilometers, Multiply by 1.609344
Liters to Cubic Inches, Multiply by 61.023744
Inches to Millimeters, Multiply by 54.4
millimeters to Inches, Multiply by .0393701

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