pKb Calculator

Calculate pKb from Kb (base dissociation constant) or vice versa. pKb = -log₁₀(Kb)

Calculation Type *

Significant Figures

Base Dissociation Constant (Kb) *

Enter Kb value. Use scientific notation like 1.8e-5

Show Steps

Temperature

⚠️

pKb Result

—

📊

Acid-Base Strength Scale

Visual representation on the pKa/pKb scale

—

📋

Step-by-step calculation

📐

pKb

—

-log(Kb)

🔬

—

Base constant

📊

pKa

—

Conjugate acid

⚖️

Strength

—

Base type

📋

Based on pKb value

📖

Key formulas and relationships

💡

Understanding pKb

📊 Chemical Disclaimer: This calculator uses standard relationships (pKb = -log[Kb], pKa + pKb = pKw). Results are for educational purposes.