Edit Content

pH-pOH Calculator

Financial

Health

Math

Science

Business

Investments

pH / pOH Calculator

Convert between [H⁺], [OH⁻], pH, pOH — Instantly!

pH Scale

0 (Strong Acid) 7 (Neutral) 14 (Strong Base)
Formulas Used:
• pH = -log₁₀[H⁺]   •   pOH = -log₁₀[OH⁻]
• pH + pOH = 14   •   [H⁺] × [OH⁻] = 10⁻¹⁴ (at 25°C)