Science & Environment
pH, pOH, [H+] and [OH-] Calculator
Convert between pH, pOH, hydrogen ion concentration and hydroxide ion concentration.
Your inputs
Change any value to update the result instantly.
pH
7
pOH
7
[H+]
0 mol/L
[OH-]
0 mol/L
Formula and working
pH = -log[H+]; pOH = 14 - pH; [H+] = 10^-pH; [OH-] = 10^-pOH
- 1
Collect the inputs
pH value = 7
- 2
Apply the formula
pH = -log[H+]; pOH = 14 - pH; [H+] = 10^-pH; [OH-] = 10^-pOH
- 3
Result
pH = 7
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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