🧪 Chemistry

POH Calculator

Calculate pOH from hydroxide ion concentration.

Result

Formula

pOH = −log₁₀[OH⁻]

How to use it

Enter the known values, keep units consistent, and select Calculate. The result is rounded for readability.

Important note

This educational calculator uses a standard simplified relationship. Laboratory, clinical, engineering, and research decisions may require additional variables, calibrated equipment, and professional review.