A simple buffer calculator for calculating the volumes of two stock solutions needed to make a buffer of a desired pH.
Users
5
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#258K
#216K among extensions
Version
1.0
updated 17 Jan 2026
Users
monthly, 9 months
Latest, 15 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 9 months
Latest, 15 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Buffer Calculator
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.