SJ Resistor Calculator icon

SJ Resistor Calculator

Stephane JAILLIARD
Free
5.0 out of 5

About SJ Resistor Calculator

SJ Resistor Calculator is a free application specifically designed to make life easier for professionals, students, and electronics enthusiasts. It offers a precise and intuitive tool for calculating resistor values, helping to avoid common mistakes when reading color codes. The application supports 4-, 5-, or 6-band resistors, covering the majority of components commonly used in electronic circuits. By simply selecting the colors of the bands through a clear and user-friendly interface, the user instantly obtains the exact resistance value along with its tolerance.

Beyond simple resistor decoding, SJ Resistor Calculator also provides the ability to perform complex calculations for resistors placed in series or in parallel. This feature allows users to easily analyze the overall electrical behavior of a circuit, which is essential for designing, testing, or optimizing electronic assemblies. Whether you’re a beginner trying to understand how resistors work or a professional in need of a reliable tool for your projects, this application delivers real added value.


The app stands out for its simplicity and speed, making calculations that can be tedious to do manually much more accessible. The results are accurate, ensuring better efficiency when managing electronic components or during the design and troubleshooting phases of circuits. SJ Resistor Calculator thus establishes itself as an essential tool for anyone working with resistors, whether for study, maintenance, or design.

SJ Resistor Calculator Screenshots