Tire Height Calculator

Tire Width	Tire Aspect Ratio	Wheel Size
Tire Height	Tire Circumference

Calculate RPM for given Speed(mph), Rear Gear Ratio and Trans Gear Ratio

MPH	Tire Diameter	Rear Gear Ratio	Trans Gear Ratio
		:1	:1
RPM

Calculate Gear Ratio

Ring Gear Tooth Count	Pinion Gear Tooth Count		Gear Ratio

Calculate Engine Displacement

Bore Size	Stroke Length	# Cylinders	Units Entered
			Inches Millimeters
Engine Displacement:		Cubic Inches
		Cubic Centimeters

Cubic Inches to Liters Conversion

Cubic Inches		Liters

Calculate Horsepower

Torque	RPM		Horsepower

Transmission Ratio RPM

Enter R&P Ratio, Tire Height, Speed (mph), and Transmission Ratio, then click Solve to calculate RPM

R&P Ratio	Tire Height	Speed	Trans Ratio
:1			:1
RPM: