pH Converter

How to Use

1. 1Choose mode: 'Enter pH' or 'Enter [H⁺] concentration'
2. 2In pH mode: drag the slider or type a pH value between 0 and 14
3. 3In [H⁺] mode: enter a concentration and choose the unit (mol/L, mM, μM, nM, pM)
4. 4Results show: pH, pOH, [H⁺] in 5 units, and [OH⁻] in 5 units
5. 5The color badge and Acid/Neutral/Base label classify the solution instantly
6. 6Hover any result row to copy the value to clipboard
7. 7Open the reference table for common solutions and their pH values

Features

• Two modes: pH input (slider + number) and [H⁺] concentration input
• Interactive pH slider (0–14, step 0.01) for real-time exploration
• [H⁺] concentration input with 5 unit options: mol/L, mM, μM, nM, pM
• Shows pH, pOH, [H⁺] in 5 units, and [OH⁻] in 5 units simultaneously
• Acid / Neutral / Base indicator with color scale
• pH color visualization matching the 0–14 scale
• One-click copy for any result value
• Quick-reference: lemon juice, blood, seawater, battery acid, caustic soda
• Formula: pH = −log₁₀[H⁺]; pOH = 14 − pH at 25 °C
• 100% browser-based - no server

Frequently Asked Questions