pH Calculator
Calculate pH from hydrogen ion concentration.
- Free Online Tool
- Instant Results
- Mobile Friendly
- No Installation
- Secure & Private
Result
Understanding This Calculator
pH Formula
Determines the acidity or alkalinity of a solution.
pH = -log₁₀([H⁺])
Example 1
[H⁺] = 1 × 10⁻⁷ M (Pure Water)
- pH = -log(10⁻⁷) = 7 (Neutral)
Example 2
[H⁺] = 0.01 M = 10⁻²
- pH = -log(10⁻²) = 2 (Acidic)
How to Use
- Enter H⁺ concentration in mol/L.
Frequently Asked Questions
How do I use the pH Calculator?
Enter your values in the input fields, and the result will appear instantly.
Is this calculator free to use?
Yes, this calculator is 100% free and does not require any registration or subscription.
Is it mobile-friendly?
Absolutely! Our tool is optimized for all devices, including mobile phones, tablets, and desktop computers.