pH Dilution Calculator

Estimate how dilution changes the pH of a simple acidic solution.

Initial
pH

Starting pH of the solution

Initial volume
(mL)

Original solution volume

Water added
(mL)

Amount of pure water added

Main result
view

Choose output format

Result

Final volume

Total diluted solution

Simplified estimate for strong acids only. Real pH can differ because of buffering, weak acids, temperature, and solution chemistry.