
WireCalculator
Simple 12V wire & fuse sizing
0 ratings
Free
With Ads
About
Simplify your 12V electrical projects with WireCalculator!
Whether you’re building a campervan, upgrading your 4WD setup, or wiring a custom vehicle, WireCalculator helps you determine the correct wire gauge and fuse size for your 12V circuits — safely and easily.
Key Features:
- Instantly calculate wire gauge based on current, distance, and voltage drop
- Automatically suggests the right fuse size for protection
- Designed for 12V DC systems (perfect for campers, 4WDs, boats, and DIY setups)
- Uses standard wire sizing tables for reliable results
Who it’s for:
- Auto electricians
- Campervan and RV builders
- Off-grid enthusiasts
- 4WD adventurers
- DIYers and hobbyists
Avoid guesswork and ensure your 12V circuits are safe and efficient with WireCalculator — your go-to tool for mobile power planning.
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What's New in WireCalculator
1.0.1
July 8, 2025
Bug fixes and performance improvements





