Chemistry

pOH from [OH⁻]

pOH from hydroxide ion concentration.

Formula

Formula
pOH = −log10[OH]

Variables

SymbolDefinitionType & rangeUnitsRole
[OH⁻] hydroxide conc. (mol/L) real number (ℝ) mol/L input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Given[OH⁻] (mol/L) = 1e-7
Result7
Example 2
Given[OH⁻] (mol/L) = 0.001
Result3