DC Wire Calculator

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About this app

DC Wire is the professional companion for all your low-voltage electrical engineering and DIY projects.

Whether you are working on a Camper Van conversion, a Solar system, a Marine electrical setup, or a high-power Car Audio system, DC Wire helps you calculate everything with precision to ensure safety and efficiency.

Core Calculators & Tools: • Wire Gauge Calculator: Find the ideal AWG or mm² size based on voltage, current, and length. • Voltage Drop: Calculate real voltage loss to prevent equipment failure. • Fuse & Breaker Sizing: Protect your circuits with the correct fuse ratings. • Battery Runtime: Estimate how long your system will run under load. • Solar Sizing: Calculate required solar panels and battery bank for off-grid power. • Car Audio Tools: Speaker wiring (Series/Parallel), amplifier sizing, and speaker cable recommendations. • Ohm’s Law & Power: Easily convert between Volts, Amps, Watts, and Ohms.
Reference Guides (Premium): • Fuse Types: Visual guide for Mini, ATO, MIDI, ANL, and more. • Trailer Wiring: Standards for 4, 7 (US), and 13-pin (EU) connectors. • Relay Diagrams: How to wire 5-pin relays (85, 86, 87, 87a, 30). • Grounding & 'Big 3': Best practices for automotive grounding. • AWG to Metric Converter: Quick reference for wire cross-sections.

Why Choose DC Wire? •
Pro Dark Interface: Industrial carbon fiber design optimized for field work. • Multi-Language Support: Available in English, Portuguese, Spanish, Arabic, and more. • Project Management: Save your calculations into custom projects (Van, Boat, etc.). • Accurate Formulas: Based on international standards and material resistivity (OFC/CCA).

Stop guessing your wire sizes. Avoid overheating and power loss. Download DC Wire today and power your projects with professional precision!