Chemistry
pH from [H⁺]
pH from hydrogen ion concentration.
Formula
Formula
pH = −log10[H+]
Variables
| Symbol | Definition | Type & range | Units | Role |
|---|---|---|---|---|
| [H⁺] | hydrogen ion conc. (mol/L) | real number (ℝ) | mol/L | input |
Try it yourself
Interactive calculator
Worked examples
Example 1
Given[H⁺] (mol/L) = 1e-7
Result7
Example 2
Given[H⁺] (mol/L) = 0.01
Result2