SJ Resistor Calculator
Resistor calculations
Free · In‑App Purchases · Designed for iPad
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.
Ratings & Reviews
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The developer, Stephane JAILLIARD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Stephane JAILLIARD
- Size
- 3.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 10 more
- English, Arabic, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- A pizza $9.99
- A lemon tart $4.99
- A cookie $2.99
- A coffee $0.99
- No ads $4.99
- Copyright
- © 2025 Stéphane JAILLIARD