Radiator Sizing Calculator

Calculate radiator capacity requirements based on engine power and cooling needs.

Engine Horsepower

Forced Induction?

Primary Use

Climate

Current Radiator (Optional)

Width (inches)

Height (inches)

Thickness (rows)

Radiator Size Guidelines

HP Range	Min Core Area	Typical Size
200-300 HP	250-350 sq in	22x16" 2-row
300-450 HP	350-500 sq in	26x16" 2-row
450-600 HP	500-650 sq in	28x19" 3-row
600-800 HP	650-800 sq in	31x19" 3-row
800+ HP	800+ sq in	31x19" 4-row