Buffer Calculator

A simple buffer calculator for calculating the volumes of two stock solutions needed to make a buffer of a desired pH.

Simplify your lab prep with the Buffer Calculator. Designed for scientists, researchers, and students, this extension removes the manual math from preparing buffers. Whether you are in a molecular biology lab or a chemistry classroom, get the exact volumes of stock solutions needed to reach your target pH and concentration. Key Features: Precision Calculations: Calculate volumes for acid/base stock solutions based on the Henderson-Hasselbalch equation. Lightweight & Fast: Opens instantly as a popup without slowing down your browser. Privacy Focused: Works entirely offline. No data collection, no tracking, and no special permissions required. How to use: Click the icon to open the calculator. Enter your desired final volume and target pH. Input your stock solution concentrations. Get instant results for the volumes needed.