pH Calculator by Online Tool Base
Acids & Bases. The pH Calculator at Online Tool Base determines acidity from Hydrogen ion concentration $[H+]$.
Chemistry Scale
onlinetoolbase.online uses $-log[H+]$:
- Acidic: pH < 7.
- Basic: pH > 7.
- pOH: Also calculates Hydroxide scale.
How to Use
- Enter Concentration.
- Get pH.
Check acidity with the pH Calculator from Online Tool Base.