Precise Wire & Sheet Metal Gauge to MM & Inches Converter

Convert Gauge to Millimeters and Inches

Enter the gauge number you wish to convert.
Choose the standard your gauge number belongs to.

Instantly convert standard wire gauges (AWG, SWG) and sheet metal gauges into exact millimeters and inches. Our reliable online tool provides quick, accurate dimensional data for your projects, ensuring precision whether you're working with electrical wiring or metal fabrication. Save time and avoid errors with this essential conversion calculator.

Formula:

This converter relies on established industry standards and formulas to provide accurate conversions:

  • For AWG (American Wire Gauge), the diameter (d) in millimeters is calculated using the formula: dmm = 0.127 × 92(36 - Gauge) / 39
  • For SWG (Standard Wire Gauge / British Standard Gauge) and Generic Sheet Metal Gauge, conversions are based on comprehensive industry-standard tables.

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