pH Concentration Calculator

    Convert between pH and H+ concentration

    Formula

    pH = -log₁₀[H+]

    Each pH unit = 10× change in hydrogen ion concentration.

    Examples

    pH 7

    Neutral; [H+] = 1×10⁻⁷ mol/L.

    Frequently Asked Questions

    About pH Concentration

    Convert between pH and hydrogen ion concentration.