LJPcalc is a free and open source liquid junction potential (LJP) calculator. LJPcalc can be run in the browser or downloaded for Windows. See the theory page for usage tips, advanced considerations, and suggestions for applications related to biology and electrophysiology.
If LJPcalc facilitated your research, consider citing this project by name so it can benefit others too:
Liquid junction potential was calculated according to the stationary Nernst-Planck equation using LJPcalc¹
 Harden, SW and Brogioli, D (2020). LJPcalc [Online]. Available: https://swharden.com/software/LJPcalc, Accessed on: Jan 1, 2020.
LJPcalc was created by Scott W Harden in 2020. LJPcalc began as C# port of JLJP, a Java application by Doriano Brogioli originally published on SourceForge in 2013. LJPcalc uses calculation methods described by Marino et al., 2014.