Free Online Tool
AWG Wire Size Converter
Choose an AWG number to view wire diameter, cross-sectional area, circular mils, copper resistance per meter, and reference ampacity. Current rating depends on insulation, temperature, wiring method, and standards.
The result will appear here.
How to Use
- Select an AWG size.
- Review diameter in mm and inches and area in mm².
- Check resistance per meter and reference ampacity.
Examples
- Check diameter and area for AWG 24
- Compare AWG 0 and AWG 00 wire sizes
Calculation and Conversion Notes
AWG wire diameter is calculated with `d(inch) = 0.005 × 92^((36 - AWG) / 39)`. Cross-sectional area and copper resistance are reference values derived from the calculated diameter. Current rating depends on insulation, temperature, wiring method, and standards, so it should be verified separately.
FAQ
Does AWG Wire Size Converter save my input?
No. Your input is not stored on a server. Supported actions run in your browser.
Can I use it on mobile?
Yes. The pages are responsive and work on desktop and mobile browsers.
Can I rely on the result?
Use the result as a quick reference. Important work should be checked separately.