Wire Diameter Converter

Convert wire diameter between SWG (Standard Wire Gauge), BWG (Birmingham Wire Gauge), and metric millimeters. Finds closest gauge matches for any diameter.

How to Use Wire Diameter Converter

Select the input unit (mm, SWG, or BWG), enter the wire diameter or gauge number, and click Convert. View equivalent values in all systems.

Step-by-Step Instructions

  1. Select the input unit type
  2. Enter the wire diameter or gauge number
  3. Click Convert to see all equivalents
  4. Copy the conversion results

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