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Antifreeze - Ethylene Glycol Volume vs. Temperature Rating

Freeze protecting of cooling systems - temperature rating vs. required amount of antifreeze.

Required amount of antifreeze to protect cooling systems at specific temperature ratings can be estimated from the charts below:

Cooling system - protection temperature and required amount of antifreeze

  • tC = 0.56 (tF - 32) = 5/9 (tF - 32)
  • 1 Gallon (U.S.) = 3.785×10-3 m3 = 3.785 dm3 (liter) = 231 in3 = 0.13368 ft3 = 4.951×10-3 yd3 = 0.8327 Imp. gal (UK) = 4 Quarts = 8 Pints

Never use more than 70% antifreeze in a cooling system.

Antifreeze - Volume and Temperature rating  - liter celsius

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