Cooling Capacity Calculator

Calculate cooling system capacity requirements

Engine Parameters

Engine Horsepower

Thermal Efficiency (%)

Typical: Gas 25-30%, Diesel 35-45%

Coolant Type

Radiator Cap Pressure (PSI)

Heat to Coolant

285K BTU/hr

83517 watts

Heat Distribution

Total Heat Input1018K BTU/hr

To Coolant (~40%)285K BTU/hr

To Exhaust (~40%)285K BTU/hr

Radiation (~20%)143K BTU/hr

Temperature Limits

Coolant Boiling Point223°F

Pressurized Boiling271°F

Safe Operating Max241°F

Min Coolant Capacity950.5 gallons