Enter the amount of coolant the vehicle can hold (L) and the percentage of concentrated coolant desired (%) into the Coolant Ratio Calculator. The calculator will evaluate and display the Coolant Ratio. 

Coolant Ratio Formula

The following formula is used to calculate the Coolant Ratio. 

CLR = AC * %C/100

  • Where CLR is the Coolant Ratio (L)
  • AC is the amount of coolant the vehicle can hold (L) 
  • %C is the percentage of concentrated coolant desired (%) 

How to Calculate Coolant Ratio?

The following example problems outline how to calculate Coolant Ratio.

Example Problem #1:

  1. First, determine the amount of coolant the vehicle can hold (L). 
    • The amount of coolant the vehicle can hold (L) is given as: 12.
  2. Next, determine the percentage of concentrated coolant desired (%). 
    • The percentage of concentrated coolant desired (%) is provided as: 50.
  3. Finally, calculate the Coolant Ratio using the equation above: 

CLR = AC * %C/100

The values given above are inserted into the equation below and the solution is calculated:

CLR = 12 *50/100 = 6.00 (L)


Example Problem #2: 

For this problem, the variables required are provided below:

amount of coolant the vehicle can hold (L) = 6

percentage of concentrated coolant desired (%) = 30

Test your knowledge using the equation and check your answer with the calculator above.

CLR = AC * %C/100 = ?