# EMT conduit sizes: 1/2 to 2 in OD and wall (ANSI C80.3)

> What is the outside diameter of 1/2 inch EMT conduit?

- Category: Hardware › Pipe & fittings
- Kind: Standard part
- Basis: ANSI C80.3 electrical metallic tubing: outside diameter and nominal wall
- Page: https://xemstudio.com/objects/emt-conduit/ · JSON: https://xemstudio.com/api/geometry?object=emt-conduit · Plain text: https://xemstudio.com/objects/emt-conduit/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

- 10 ft sticks and 12, 24, 36 in cuts; couplings and fittings not drawn.

## Sizes

| trade_size | od_in | wall_in | od_mm | id_mm |
|---|---|---|---|---|
| 1/2 | 0.706 | 0.042 | 17.93 | 15.8 |
| 3/4 | 0.922 | 0.049 | 23.42 | 20.93 |
| 1 | 1.163 | 0.057 | 29.54 | 26.64 |
| 1-1/4 | 1.51 | 0.065 | 38.35 | 35.05 |
| 1-1/2 | 1.74 | 0.065 | 44.2 | 40.89 |
| 2 | 2.197 | 0.065 | 55.8 | 52.5 |

## Where the files are

- NEMA: [ANSI C80.3 Steel electrical metallic tubing (EMT)](https://www.nema.org/) — standard — NEMA; dimensions are facts (verify at link)

## Free STEP/STL (24 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/emt-conduit/index.json

- emt-1-2in-12in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-12in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-12in.stl) — 1/2 in EMT, 12in: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)
- emt-1-2in-24in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-24in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-24in.stl) — 1/2 in EMT, 24in: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)
- emt-1-2in-36in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-36in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-36in.stl) — 1/2 in EMT, 36in: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)
- emt-1-2in-10ft: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-10ft.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-2in-10ft.stl) — 1/2 in EMT, 10ft: OD 0.706 in × 0.042 in wall (17.93 × 1.07 mm)
- emt-3-4in-12in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-12in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-12in.stl) — 3/4 in EMT, 12in: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)
- emt-3-4in-24in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-24in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-24in.stl) — 3/4 in EMT, 24in: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)
- emt-3-4in-36in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-36in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-36in.stl) — 3/4 in EMT, 36in: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)
- emt-3-4in-10ft: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-10ft.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-3-4in-10ft.stl) — 3/4 in EMT, 10ft: OD 0.922 in × 0.049 in wall (23.42 × 1.24 mm)
- emt-1in-12in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-12in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-12in.stl) — 1 in EMT, 12in: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)
- emt-1in-24in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-24in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-24in.stl) — 1 in EMT, 24in: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)
- emt-1in-36in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-36in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-36in.stl) — 1 in EMT, 36in: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)
- emt-1in-10ft: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-10ft.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1in-10ft.stl) — 1 in EMT, 10ft: OD 1.163 in × 0.057 in wall (29.54 × 1.45 mm)
- emt-1-1-4in-12in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-12in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-12in.stl) — 1-1/4 in EMT, 12in: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)
- emt-1-1-4in-24in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-24in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-24in.stl) — 1-1/4 in EMT, 24in: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)
- emt-1-1-4in-36in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-36in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-36in.stl) — 1-1/4 in EMT, 36in: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)
- emt-1-1-4in-10ft: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-10ft.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-4in-10ft.stl) — 1-1/4 in EMT, 10ft: OD 1.51 in × 0.065 in wall (38.35 × 1.65 mm)
- emt-1-1-2in-12in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-12in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-12in.stl) — 1-1/2 in EMT, 12in: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)
- emt-1-1-2in-24in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-24in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-24in.stl) — 1-1/2 in EMT, 24in: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)
- emt-1-1-2in-36in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-36in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-36in.stl) — 1-1/2 in EMT, 36in: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)
- emt-1-1-2in-10ft: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-10ft.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-1-1-2in-10ft.stl) — 1-1/2 in EMT, 10ft: OD 1.74 in × 0.065 in wall (44.20 × 1.65 mm)
- emt-2in-12in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-12in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-12in.stl) — 2 in EMT, 12in: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)
- emt-2in-24in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-24in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-24in.stl) — 2 in EMT, 24in: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)
- emt-2in-36in: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-36in.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-36in.stl) — 2 in EMT, 36in: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)
- emt-2in-10ft: [STEP](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-10ft.step) · [STL](https://xemstudio.com/files/hardware/emt-conduit/emt-2in-10ft.stl) — 2 in EMT, 10ft: OD 2.197 in × 0.065 in wall (55.80 × 1.65 mm)

## Questions

**1/2 in EMT OD?**

0.706 in (17.93 mm).

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