How to type Infinity
- Windows: hold Alt, type 236 on the numeric keypad, release. This is a legacy OEM/CP437 code (no leading zero) rather than a Windows-1252 one.
- Mac: Option+5.
- HTML:
∞or∞. - Chromebook: Ctrl+Shift+U, type 221E, then Enter.
Reference
- Unicode name: INFINITY
- Code point: U+221E
- Category: Math & measurement
- Also searched as: infinite forever
Symbol data last reviewed: July 9, 2026.