Chemistry calculator

Ionic Product of Water

Calculate kᵥ using the ionic product of water formula.

[H⁺] (mol/L)[OH⁻] (mol/L)

Kᵥ: -

Visual representation

Ionic Product of Water diagram

The diagram updates with your entries and is illustrative, not necessarily drawn to scale.

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Calculation explained

How this result was calculated

The formula, your substituted values, and the evaluated result are shown below.

Reference: Formulae and Tables, State Examinations Commission (2014), page 65.

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How the Ionic Product of Water works

This calculator applies the formula given in Formulae and Tables, State Examinations Commission (2014), page 65. Enter values in consistent units.

Formula and inputs

hydrogen × hydroxide

Inputs: [H⁺] (mol/L), [OH⁻] (mol/L).

Using the result

The result is rounded to 14 decimal places. Check units, assumptions and significant figures before using the answer.