Xem Studiomeasured geometryLibrary › Electronics › Chargers & cables ·
Standard cable and plug sizes: USB-C, USB-A, Micro-B, Lightning, HDMI, RJ45, DC barrel, cable and power-cord diameters
How wide is a USB-C plug? · Standard part · basis: USB 2.0 and USB Type-C specification values (via connector makers and spec extracts), cable makers' datasheets, cord makers' tables
Also called: usb c plug dimensions, lightning cable diameter, cable thickness mm, usb c cable diameter, hdmi plug size, cable clip 3d print, extension cord diameter
Exact dimensions. True size, with no printing tolerance added.
- sizes
- 16 in table
Notes
- USB-C: receptacle opening 8.34 × 2.56; plug tongue 8.25 × 2.4; plug body (overmold) commonly at most 12.35 × 6.5 mm — size cut-outs and grommets for that.
- USB-A: plug 12.0 × 4.5, receptacle 12.5 × 5.12; plug body at most 16 × 8. Micro-B: plug 6.85 × 1.8, body at most 10.6 × 8.5. Lightning plug 6.7 × 1.5 (body not published; one cable's is 10.6 × 6.0).
- HDMI: Type A plug 13.9 × 4.45 (receptacle 14.0 × 4.55), Mini (C) 10.42 × 2.42, Micro (D) 5.83 × 2.20; plug bodies are not published (licensed spec). RJ45 plug 11.68 × 8.00 × 22.48.
- DC barrel 5.5 × 2.1: sleeve Ø5.5, pin hole Ø2.1, 9.5 long.
- Cable diameters: USB-C to Lightning 3.6–3.8; USB-C USB 2.0 4.4; USB 3.1 / Thunderbolt 4 4.6–4.7; HDMI 6.3–6.5; Cat5e 4.83; Cat6 5.69. Power cords: SPT-2 flat 18/2 3.6 × 6.9, 16/3 3.9 × 9.5; SJT round 18/3 7.7–8.0, 16/3 8.4–8.8, 14/3 9.3–9.6, 12/3 11.3.
- Clips (free STL) for Ø3.6 / 4.5 / 6.4 / 8.0 / 9.5 cables snap on through a 0.7 d opening; the desk grommet slot passes a USB-C plug body.
Standard cable and plug sizes: USB-C, USB-A, Micro-B, Lightning… size chart
| item | size (mm) |
|---|---|
| USB-C receptacle | 8.34 × 2.56 |
| USB-C plug body (max) | 12.35 × 6.5 |
| USB-A plug / receptacle | 12.0 × 4.5 / 12.5 × 5.12 |
| USB-A plug body (max) | 16 × 8 |
| Micro-B plug / body max | 6.85 × 1.8 / 10.6 × 8.5 |
| Lightning plug | 6.7 × 1.5 |
| HDMI A plug | 13.9 × 4.45 |
| HDMI Mini / Micro plug | 10.42 × 2.42 / 5.83 × 2.20 |
| RJ45 plug | 11.68 × 8.00 × 22.48 |
| DC barrel 5.5 × 2.1 | Ø5.5, pin Ø2.1, 9.5 long |
| USB-C to Lightning cable | Ø3.6–3.8 |
| USB-C cable (USB 2.0 / 3.x) | Ø4.4 / 4.6–4.7 |
| HDMI cable | Ø6.3–6.5 |
| Cat5e / Cat6 | Ø4.83 / Ø5.69 |
| SPT-2 18/2 flat cord | 3.56 × 6.86 |
| SJT 18/3 / 16/3 / 14/3 round cord | Ø7.7–8.0 / 8.4–8.8 / 9.3–9.6 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Wikipedia (USB 2.0 / Type-C spec figures) | USB hardware | web | Publisher's page; dimensions are facts |
| Molex | USB Type-C connector specification summary (PDF) | web | Publisher's page; dimensions are facts |
| L-com (vendor drawing) | USB-C plug overmold 12.35 max | web | Publisher's page; dimensions are facts |
| ASUS | HDMI connector types | web | Publisher's page; dimensions are facts |
| Wikipedia (TIA-1096-A / ISO 8877) | Modular connector | web | Publisher's page; dimensions are facts |
| Same Sky | 5.5 × 2.1 DC plug | web | Publisher's page; dimensions are facts |
| Monoprice (drawing) | USB-C to A cable 4.4 mm | web | Publisher's page; dimensions are facts |
| RS (datasheet) | USB-C to Lightning cable 3.6 mm | web | Publisher's page; dimensions are facts |
| Monoprice (drawing) | HDMI 8K cable 6.3 mm | web | Publisher's page; dimensions are facts |
| Belden | 1583A Cat5e | web | Publisher's page; dimensions are facts |
| Belden | 2412 Cat6 | web | Publisher's page; dimensions are facts |
| AWC | SPT-2 cord sizes | web | Publisher's page; dimensions are facts |
| IEWC | SJT cord | web | Publisher's page; dimensions are facts |
| Southwire | SJTOW cord | web | Publisher's page; dimensions are facts |
Free files
★ Free files 9 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| usb-c-plug-overmold-12.35x6.5x20 | USB-C plug body at the common maximum 12.35 × 6.5 (20 long; real bodies 20–42) | STEP · STL |
| usb-a-plug-overmold-16x8x25 | USB-A plug body at the USB 2.0 maximum 16 × 8 (25 long) | STEP · STL |
| rj45-plug-11.68x8x22.48 | RJ45 (8P8C) plug 11.68 × 8.00 × 22.48 (latch not modelled) | STEP · STL |
| cable-clip-3.6mm | Snap cable clip for Ø3.6 cable, screw tab | STEP · STL |
| cable-clip-4.5mm | Snap cable clip for Ø4.5 cable, screw tab | STEP · STL |
| cable-clip-6.4mm | Snap cable clip for Ø6.4 cable, screw tab | STEP · STL |
| cable-clip-8.0mm | Snap cable clip for Ø8.0 cable, screw tab | STEP · STL |
| cable-clip-9.5mm | Snap cable clip for Ø9.5 cable, screw tab | STEP · STL |
| desk-grommet-60mm-usb-c-slot | Desk grommet for a Ø60 hole: slot passes a USB-C plug body | STEP · STL |
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=cable-and-plug-sizes
Fits with
Questions
How big is a USB-C plug?
The metal tongue is 8.25 × 2.4 mm; the plastic body is usually at most 12.35 × 6.5 mm.
How thick is a phone charging cable?
About 3.6–3.8 mm (USB-C to Lightning) and 4.4–4.7 mm (USB-C).