Calculate the right wire size instantly — in mm² and AWG
With the Gridless Solutions wire size calculator, you can easily determine the correct cable thickness for your off-grid or mobile power setup. Whether you’re working with 12V, 24V, or 48V systems, our cable size calculator helps you find the ideal wire gauge (AWG) or cross-sectional area in mm². Enter the length, voltage, and current of your setup, and get accurate results — no guesswork needed.

Our smart electrical wiring software goes beyond the basics. It automatically recommends the correct cable for your selected device, complete with the right fuse size for safe operation. Designed for both beginners and professionals, this tool simplifies complex decisions and ensures safe, efficient installations.