24 AWG to mm

J
James Mitchell
April 25, 2026 4 min read

Converting 24 awg to mm: 24 AWG wire has a diameter of 0.511 mm and a cross-sectional area of 0.205 mm². AWG (American Wire Gauge) is the standard used in North America to measure wire thickness — a lower number means a thicker wire.

24 AWG to mm – Conversion

24 AWG to mm – Step by Step

Solution Steps

24 AWG to mm:

Formula: d(mm) = 0.127 × 92^((36 − AWG) / 39)
= 0.127 × 92^((36 − 24) / 39)
= 0.511 mm

Cross-sectional area:
A = π × (d/2)²
= π × (0.511/2)²
= 0.205 mm²

AWG to mm Conversion Table

AWGDiameter (mm)Cross-section (mm²)Common Use
22 AWG0.644 mm0.326 mm²Ethernet cables (Cat5e/Cat6)
23 AWG0.574 mm0.259 mm²Ethernet cables (Cat5e/Cat6)
24 AWG0.511 mm0.205 mm²Ethernet cables (Cat5e/Cat6)
26 AWG0.405 mm0.129 mm²Signal wiring, electronics
28 AWG0.321 mm0.081 mm²Signal wiring, electronics

Frequently Asked Questions

What is 24 AWG in mm?

24 AWG wire has a diameter of 0.511 mm and a cross-sectional area of 0.205 mm².

What is 24 AWG wire used for?

24 AWG is the standard conductor size in Cat5e Ethernet cables. It provides adequate performance for 1 Gbps network connections up to 100 meters.

24 awg to mm (0.511 mm) is the standard conductor diameter for Cat5e and Cat6 ethernet cables. When specifying cable for network installations, 24 awg to mm is the most common reference measurement. For reference, see the American Wire Gauge — Wikipedia.

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James Mitchell

James Mitchell is a network engineer and technology writer at TechLYM. He covers computer networking, DNS, TCP/IP, cybersecurity, and practical troubleshooting guides — with a focus on clear explanations backed by RFCs and real-world testing.