⚗️ pH Mobile Lab
acid-base · pOH · concentration
H⁺
pH from [H⁺]
Hydrogen ion concentration [H⁺]
M
×10⁻¹
×10⁻²
×10⁻³
×10⁻⁴
×10⁻⁵
×10⁻⁶
×10⁻⁷
×10⁻⁸
×10⁻⁹
×10⁻¹⁰
×10⁻¹¹
×10⁻¹²
×10⁻¹³
×10⁻¹⁴
Calculate pH →
pH = –log₁₀[H⁺]
pH Value
7.00
Neutral
OH⁻
pOH from [OH⁻]
Hydroxide ion concentration [OH⁻]
M
×10⁻¹
×10⁻²
×10⁻³
×10⁻⁴
×10⁻⁵
×10⁻⁶
×10⁻⁷
×10⁻⁸
×10⁻⁹
×10⁻¹⁰
×10⁻¹¹
×10⁻¹²
×10⁻¹³
×10⁻¹⁴
Calculate pOH →
pOH = –log₁₀[OH⁻]
pOH Value
7.00
Neutral
↺
pH · pOH Converter
pH value
⬇ ⬆
pOH value
pH + pOH = 14 (25°C)
[H⁺]
1.0×10⁻⁷ M
[OH⁻]
1.0×10⁻⁷ M
📊 pH scale indicator
0 (acidic)
neutral 7
14 (basic)
📋
Common substances
tap any to load pH →
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