Hydrogen Ion Calculator Formula

Understand the math behind the hydrogen ion calculator. Each variable explained with a worked example.

Formulas Used

[H+] Concentration

h_conc = pow(10, -ph_val)

Variables

VariableDescriptionDefault
ph_valpH3

How It Works

How to Calculate [H+] from pH

Formula

[H+] = 10^(-pH)

The inverse of the pH equation.

Worked Example

Find [H+] for pH = 3.

ph_val = 3
  1. 01[H+] = 10^(-3)
  2. 02[H+] = 0.001 M

Ready to run the numbers?

Open Hydrogen Ion Calculator