# ℏ U+210F PLANCK CONSTANT OVER TWO PI

Lowercase h with a bar through it, h-bar, the reduced Planck constant or Dirac constant in quantum physics.

| | |
|---|---|
| Character | `ℏ` |
| Codepoint | U+210F |
| Name | PLANCK CONSTANT OVER TWO PI |
| Also known as | Dirac constant, reduced Planck constant |
| Block | [Letterlike Symbols](https://unicodekit.com/block/letterlike-symbols) |
| Script | Common |
| Category | Lowercase Letter (Ll) |
| Unicode version | 1.1 |
| HTML | `ℏ` `ℏ` |
| CSS | `\210F` |
| JavaScript | `\u210F` |
| UTF-8 | E2 84 8F |
| UTF-16 | 210F |
| Decomposition | font U+0127 |

## Related characters

- ℎ [U+210E PLANCK CONSTANT](https://unicodekit.com/char/210E)
- ℐ [U+2110 SCRIPT CAPITAL I](https://unicodekit.com/char/2110)
- ℍ [U+210D DOUBLE-STRUCK CAPITAL H](https://unicodekit.com/char/210D)
- ℑ [U+2111 BLACK-LETTER CAPITAL I](https://unicodekit.com/char/2111)
- ℌ [U+210C BLACK-LETTER CAPITAL H](https://unicodekit.com/char/210C)
- ℒ [U+2112 SCRIPT CAPITAL L](https://unicodekit.com/char/2112)
- ℋ [U+210B SCRIPT CAPITAL H](https://unicodekit.com/char/210B)
- ℓ [U+2113 SCRIPT SMALL L](https://unicodekit.com/char/2113)
- ℊ [U+210A SCRIPT SMALL G](https://unicodekit.com/char/210A)
- ℔ [U+2114 L B BAR SYMBOL](https://unicodekit.com/char/2114)
- ℉ [U+2109 DEGREE FAHRENHEIT](https://unicodekit.com/char/2109)
- ℕ [U+2115 DOUBLE-STRUCK CAPITAL N](https://unicodekit.com/char/2115)

Page: https://unicodekit.com/char/210F · JSON: https://unicodekit.com/characters/210F