Buffer pH Calculator

Calculate buffer pH using the Henderson-Hasselbalch equation: pH = pKa + log([A⁻]/[HA]).

Buffer pH Calculator

Buffer pH Calculator

Henderson-Hasselbalch Equation

Acid dissociation constant

in mol/L

in mol/L

Result

pH of Buffer Solution

Effective buffer range: (pKa ± 1)

Step-by-Step Solution