Short answer
The most common staff name badge is 1 x 3 inches, with 1.5 x 3 and 2 x 3 inches used when you need a title line, logo or credentials. Paper event badges in holders are usually 3 x 4 or 4 x 3 inches.
| Size | Name line (characters) | Title line (characters) | Typical use |
|---|---|---|---|
| 1 x 3 in | Up to 13 | Up to 22 | Retail, food service, one name plus a short title |
| 1.5 x 3 in | Up to 15 | Up to 26 | Most offices and healthcare, name plus title or logo |
| 2 x 3 in | Up to 15 | Up to 30 | Long titles, credentials, logo plus two lines |
| Oval | Short first names | Short title | Hospitality and front desk looks |