24 AWG to mm

T
Tech LYM Editorial Team
April 25, 2026 3 min read

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.

Tech LYM Editorial Team