# 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?

- Category: Electronics › Chargers & cables
- Kind: Standard part
- Basis: USB 2.0 and USB Type-C specification values (via connector makers and spec extracts), cable makers' datasheets, cord makers' tables
- Page: https://xemstudio.com/objects/cable-and-plug-sizes/ · JSON: https://xemstudio.com/api/geometry?object=cable-and-plug-sizes · Plain text: https://xemstudio.com/objects/cable-and-plug-sizes/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

**Exact dimensions.** True size, with no printing tolerance added.

## 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.

## Sizes

| 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

- Wikipedia (USB 2.0 / Type-C spec figures): [USB hardware](https://en.wikipedia.org/wiki/USB_hardware) — web — Publisher's page; dimensions are facts
- Molex: [USB Type-C connector specification summary (PDF)](https://mouser.com/pdfdocs/MolexUSBType-C.pdf) — web — Publisher's page; dimensions are facts
- L-com (vendor drawing): [USB-C plug overmold 12.35 max](https://l-com.com/Images/Downloadables/2D/UAD043MF_2D.pdf) — web — Publisher's page; dimensions are facts
- ASUS: [HDMI connector types](https://www.asus.com/us/support/faq/1004820/) — web — Publisher's page; dimensions are facts
- Wikipedia (TIA-1096-A / ISO 8877): [Modular connector](https://en.wikipedia.org/wiki/Modular_connector) — web — Publisher's page; dimensions are facts
- Same Sky: [5.5 × 2.1 DC plug](https://www.sameskydevices.com/product/interconnect/connectors/dc-power-connectors/plugs/pp-2155tl-om) — web — Publisher's page; dimensions are facts
- Monoprice (drawing): [USB-C to A cable 4.4 mm](https://downloads.monoprice.com/files/specsheets/24286_Tech_Drawing_251110.pdf) — web — Publisher's page; dimensions are facts
- RS (datasheet): [USB-C to Lightning cable 3.6 mm](https://docs.rs-online.com/589d/A700000013593467.pdf) — web — Publisher's page; dimensions are facts
- Monoprice (drawing): [HDMI 8K cable 6.3 mm](https://downloads.monoprice.com/files/specsheets/31229_tech_drawing_251012.pdf) — web — Publisher's page; dimensions are facts
- Belden: [1583A Cat5e](https://people.ece.ubc.ca/~edc/4340.fall2014/datasheets/1583a.pdf) — web — Publisher's page; dimensions are facts
- Belden: [2412 Cat6](https://www.mouser.lt/datasheet/3/6/1/2412_techdata.pdf) — web — Publisher's page; dimensions are facts
- AWC: [SPT-2 cord sizes](https://www.awcwire.com/power-cable-and-portable-cord/spt-2) — web — Publisher's page; dimensions are facts
- IEWC: [SJT cord](https://media.iewc.com/SpecificationSheets/SJT_SS.pdf) — web — Publisher's page; dimensions are facts
- Southwire: [SJTOW cord](https://cabletechsupport.southwire.com/tile/10/spec/70062/?country=CA) — web — Publisher's page; dimensions are facts

## Free STEP/STL (9 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/cable-and-plug-sizes/index.json

- usb-c-plug-overmold-12.35x6.5x20: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/usb-c-plug-overmold-12.35x6.5x20.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/usb-c-plug-overmold-12.35x6.5x20.stl) — USB-C plug body at the common maximum 12.35 × 6.5 (20 long; real bodies 20–42)
- usb-a-plug-overmold-16x8x25: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/usb-a-plug-overmold-16x8x25.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/usb-a-plug-overmold-16x8x25.stl) — USB-A plug body at the USB 2.0 maximum 16 × 8 (25 long)
- rj45-plug-11.68x8x22.48: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/rj45-plug-11.68x8x22.48.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/rj45-plug-11.68x8x22.48.stl) — RJ45 (8P8C) plug 11.68 × 8.00 × 22.48 (latch not modelled)
- cable-clip-3.6mm: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-3.6mm.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-3.6mm.stl) — Snap cable clip for Ø3.6 cable, screw tab
- cable-clip-4.5mm: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-4.5mm.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-4.5mm.stl) — Snap cable clip for Ø4.5 cable, screw tab
- cable-clip-6.4mm: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-6.4mm.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-6.4mm.stl) — Snap cable clip for Ø6.4 cable, screw tab
- cable-clip-8.0mm: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-8.0mm.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-8.0mm.stl) — Snap cable clip for Ø8.0 cable, screw tab
- cable-clip-9.5mm: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-9.5mm.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/cable-clip-9.5mm.stl) — Snap cable clip for Ø9.5 cable, screw tab
- desk-grommet-60mm-usb-c-slot: [STEP](https://xemstudio.com/files/hardware/cable-and-plug-sizes/desk-grommet-60mm-usb-c-slot.step) · [STL](https://xemstudio.com/files/hardware/cable-and-plug-sizes/desk-grommet-60mm-usb-c-slot.stl) — Desk grommet for a Ø60 hole: slot passes a USB-C plug body

## 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).

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