Chemistry

pH Calculator

Calculate pH from hydrogen ion concentration or vice versa.

pH = -log₁₀[H⁺]

Enter any 1 values to calculate the remaining

[H⁺] Concentration (mol/L)

Enter values above to calculate

How to Use

This calculator uses the formula pH = -log₁₀[H⁺].

Enter any 1 of the 2 values and the calculator will solve for the missing variable automatically.

All calculations run in your browser — nothing is sent to a server.

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