Resistance Calculator: In Ohms
TROTHMATRIX Utilities iPhoneiPadiPod touch
Resistance Calculator: In Ohms is a free Utilities app for iPhone and iPad by TROTHMATRIX. Rated 4.6/5 from 9 ratings. Requires iOS 15.0.
- Rating
- 4.6
- 9 ratings
- Price
- Free
- on the App Store
- Size
- 13 MB
- Age 4+
- Updated
- Jul 19
- 2026 · v1.8.5
Screenshots
About Resistance Calculator: In Ohms
Resistor Color Code to Ohms (Ω) is a reliable and easy-to-use electronics utility designed to help you quickly calculate resistance using standard Resistor color codes (3-band, 4-band, 5-band, or 6-band). Whether you are an electronics hobbyist, engineering student, or professional engineer, this app simplifies resistor identification and circuit calculations, saving time and reducing errors. With an intuitive interface, you can select the color bands of 3-band, 4-band, 5-band, or 6-band resistors and instantly view the calculated resistance value in ohms (Ω), along with tolerance and multiplier information. This makes it ideal for identifying resistors during circuit design, repair, prototyping, or learning electronics fundamentals. In addition to resistor color code decoding, the app includes a built-in Ohm’s Law and Watt’s Law calculator. Easily calculate voltage, current, resistance, and power by entering known values. This all-in-one approach removes the need for multiple tools and helps you perform essential electrical calculations accurately and efficiently. The app supports both Light and Dark themes, allowing you to choose a comfortable viewing experience in any environment. The clean layout and clear visual design ensure quick understanding and ease of use, even for beginners. Key Features: 1. Decode resistor color codes into accurate resistance values 2. Supports 3-band, 4-band, 5-band, and 6-band resistors 3. Built-in Ohm’s Law and Watt’s Law calculators 4. Calculate voltage, current, resistance, and power 5. Clean, intuitive interface for fast calculations 6. Light and Dark mode support Ideal for electronics hobbyists, students, technicians, and engineers Whether you are studying electronics, working on DIY projects, or designing professional circuits, Resistor Color Code to Ohms (Ω) is a practical and dependable tool you can rely on every day. Our companies vision is to create apps like this resistor color code calculator. We want to help electrical engineers and electricians in their every day work lives. If you have any feedback or app improvements ideas, please mail us at [email protected] Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.trothmatrix.com/
Ratings & reviews
4.6
9 ratings
What’s new
Version 1.8.5 · Updated July 19, 2026
- Bug fixes and app improvements
App privacy
The developer, TROTHMATRIX, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
Used for: Third-Party Advertising, Analytics
Alternatives to Resistance Calculator: In Ohms
Looking for apps like Resistance Calculator: In Ohms? Here are 6 similar apps on the App Store. The highest rated is Resistor Color Code Calc. (5.0/5), and all 6 are free to download.
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Resistor Code Calculators
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Resistor Color Code Calc.
5.0
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Resistor Color Band Calc
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Electrical Series Calculator
4.5
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Resistor color barcode
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Ohm's Law: Circuit Calculator
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Resistance Calculator: In Ohms | 4.6 / 5 (9 ratings) | Free | July 19, 2026 | |
| Resistor Code Calculators | – | Free | Jul 1, 2026 | Compare |
| Resistor Color Code Calc. | 5.0 / 5 (1) | Free | Oct 7, 2026 | Compare |
| Resistor Color Band Calc | – | Free | Dec 20, 2023 | Compare |
| Electrical Series Calculator | 4.5 / 5 (13) | Free | Jul 11, 2025 | Compare |
| Resistor color barcode | – | Free | Dec 5, 2023 | Compare |
| Ohm's Law: Circuit Calculator | 5.0 / 5 (2) | Free | Dec 9, 2024 | Compare |