Home » Knowledge Base Articles » Tire & Gear Ratio Calculations

Tire & Gear Ratio Calculations

Common calculations to help you figure out tire size, ratio, and speed.

Ratio = (RPM x Tire Diameter) / (MPH x 336)


MPH = (RPM x Tire Diameter) / (Gear Ratio x 336)


RPM = (MPX x Gear Ratio x 336) / Tire Diameter


Tire Diameter = (MPH x Gear Ratio x 336) / RPM


Article Type: 
How It Works