Wire Gauge Calculator: Cable

Export your system as a Full Report (PDF) or share your Wiring Diagram as PNG. Perfect for your electrician or as installation documentation.

Design reliable 12V DC systems with ease

Cable empowers you to construct effective power systems for RVs, vans, boats, cabins, and custom setups. Add components like loads, batteries, chargers, and solar panels, ensuring every cable and fuse is perfectly sized — in AWG or metric. Assess performance and safety thoroughly before installation.

Intelligent electrical design for mobile power

• Ensure optimal fuse and cable sizing with voltage drop analysis
• Model comprehensive systems including loads, chargers, batteries, and solar
• Get accurate runtime and charging time predictions
• Receive system health checks with clear alerts
• Automatically generate a detailed Bill of Materials
• Operates offline for convenient field use

Designed for creators and installers

• Ideal for van and RV conversions
• Suitable for marine and off-grid systems
• Perfect for workshops, service technicians, and knowledgeable builders

Cable simplifies electrical design with intuitive visuals and a guided workflow, applying rigorous engineering principles in the background.

Build safer, build smarter