Infinity Symbol (∞)
To type the infinity symbol (∞): press ⌥5 (Option+5) on a Mac, or hold Alt and type 236 on the numeric keypad on Windows. Use it in maths (limits) and design.
| Action | Mac | Windows | |
|---|---|---|---|
| Infinity ∞ | ⌥5 | Alt+236 | |
| ∞ (copy) | ∞ | ∞ |
The infinity symbol on Mac vs Windows
The infinity symbol (∞). On a Mac press ⌥5. On Windows, hold Alt and type 236 on the numeric keypad (NumLock on), then release. No number pad? Copy the ∞ above, or use the Windows emoji panel Win+..
Where you use ∞
In calculus you write lim as x → ∞, or a range like [0, ∞). Designers use ∞ for logos and "unlimited" badges. It reads as "infinity".
FAQ
What is the infinity symbol shortcut?
On a Mac press ⌥5. On Windows hold Alt and type 236 on the numeric keypad, then release Alt.
How do I type ∞ without a number pad?
Copy the ∞ above, or on Windows press Win+. for the emoji panel and search "infinity". On Mac ⌥5 works on any keyboard.