Strong acid or base theoretical pH
Strong acid or base theoretical pH: calculate a transparent estimate from the values and assumptions you provide.
Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.
Method and assumptions
Method version 1.0.0 · Updated
Calculate
Formula: Strong acid: pH = −log₁₀(C); strong base: pH = 14 − pOH
Strong acid or base theoretical pH: calculate a transparent estimate from the values and assumptions you provide.
- concentration
- Molar concentration (mol/L)
- kind
- Solution type
Ideal model at 25 °C for strong monoprotic acids/bases; activities and concentration effects are ignored.
Calculate with code
These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.
JavaScript
const pH = -Math.log10(0.001); // 3 for a strong acid