Menu Open
Menu Close
Home
Guides
Battery
Starting
Stalling
Idle
Engine
Noises
Tools
Battery Group Size Finder
CCA Requirement Estimator
Charging System Voltage & Drop Checker
Compression Test Spread Analyzer
Coolant Mix Calculator
Engine Vacuum Gauge Interpreter
Fuel Efficiency Calculator
Fuel Trim Interpreter
Misfire Code Helper
OBD-II Error Code Lookup
Parasitic Draw Battery Drain Calculator
RPM vs Speed Calculator
Tyre Size & Diameter Calculator
About
Contact
search icon
search icon
Type something to search...
Coolant Mix Calculator
Home
/
Tools
/
Coolant mix calculator
Build the Right Mix
Cooling system capacity:
Capacity unit:
Liters
Quarts
Coolant type:
Concentrate (needs water)
Premix (ready to use)
Target mix:
40% coolant / 60% water
50% coolant / 50% water
60% coolant / 40% water
Check your owner's manual for exact capacity and approved coolant.
Calculate Mix
Mix Notes
50/50:
Typical protection to about -34°F (-37°C).
60/40:
Extra freeze protection for harsh winters.
Use distilled water:
Tap water adds minerals that scale the system.