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Solubility Product (Ksp) Calculator

Ksp for an MX-type salt from molar solubility.

Compute the solubility product Ksp = s² for a 1:1 (MX-type) sparingly soluble salt from its molar solubility s, plus a quick view of the equivalent grams-per-litre solubility for a chosen molar mass.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

M
g/mol

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Ksp = s² (for MX). Solubility (g/L) = s · M.

In depth

Compute the solubility product Ksp = s² for a 1:1 (MX-type) sparingly soluble salt from its molar solubility s, plus a quick view of the equivalent grams-per-litre solubility for a chosen molar mass.