RV 12V Voltage Drop Planner
Fast 12V Cable Drop Calculator
$0.99 · Designed for iPad. Not verified for macOS.
Plan safer RV wiring in seconds. Switch Imperial/Metric, estimate voltage drop instantly, and pick better cable sizes before you install.
RV 12V Voltage Drop Planner helps you size wiring for 12V circuits with quick, practical calculations. Enter cable length, current, and wire size, then instantly see estimated voltage drop and percentage loss.
Use Imperial (AWG/ft) or Metric (mm²/m) modes for your workflow. The app is built for RV electrical planning, including battery lines, solar runs, lighting circuits, and accessory loads.
With a clean form-based interface and fast results, you can reduce wiring guesswork, improve system efficiency, and avoid common low-voltage issues before installation.
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The developer, Shanghai Sheyuan Network Technology Co., Ltd., 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Shanghai Sheyuan Network Technology Co., Ltd.
- Size
- 3 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - iPad
Requires iPadOS 26.2 or later. - Mac
Requires macOS 26.2 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.2 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Sheyuan Inc.
