Pool Salt Calculator

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Calculates the amount of salt needed to raise the salinity level of a swimming pool.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Pool Volume, Current Salt Level, Desired Salt Level, and Salt Purity in the units shown.

Step 2

Read Salt Needed in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Pool Volume: 10,000 gallons; Current Salt Level: 0 ppm; Desired Salt Level: 3,000 ppm; Salt Purity: 99 %

Salt Needed: 252.7272727 pounds

Pool Volume: 20,000 gallons; Current Salt Level: 0 ppm; Desired Salt Level: 3,000 ppm; Salt Purity: 99 %

Salt Needed: 505.4545455 pounds

Pool Volume: 30,000 gallons; Current Salt Level: 0 ppm; Desired Salt Level: 3,000 ppm; Salt Purity: 99 %

Salt Needed: 758.1818182 pounds

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