Skip to content
Free forever, no sign up

U+210E · Letterlike Symbols

Planck Constant ℎ

Planck Constant is the Unicode character U+210E (official name “PLANCK CONSTANT”) from the Letterlike Symbols block. It belongs to SymbolHero’s letterlike symbols collection. Copy it with the button, or use the codes and keyboard methods below to type it yourself.

UnicodeU+210E
HTMLℎ
ℎU+210E

Character codes

Unicode code pointU+210E
Decimal8462
HTML named entityℎ
HTML (hex)ℎ
HTML (decimal)ℎ
CSS\210E
JavaScript\u210E
Python\u210E
UTF-8 bytesE2 84 8E
UTF-16210E
URL-encoded%E2%84%8E

Character details

Official namePLANCK CONSTANT
Unicode blockLetterlike Symbols
General categoryLowercase Letter (Ll)
SymbolHero categoryLetterlike Symbols
Decomposition<font> U+0068
EmojiNo

How to type ℎ

Windows

  • In Microsoft Word or Outlook: type 210E then press Alt + X.
  • Open Character Map (search “Character Map” in Start), tick “Advanced view”, search for “planck constant”, then Select and Copy.

Mac

  • Press Control + Command + Space to open the Character Viewer, search “planck constant”, and double-click the result.
  • With the Unicode Hex Input keyboard enabled (System Settings → Keyboard → Input Sources), hold Option and type 210E.

iPhone & Android

  • Tap Copy at the top of this page, then long-press where you want it and choose Paste.

Docs & web

  • Google Docs: Insert → Special characters, then search “planck constant” or enter U+210E.
  • HTML: &planckh; or ℎ
  • Excel / Google Sheets: =UNICHAR(8462)

Similar letterlike symbols

Account of
Addressed to the Subject
Double-Struck Capital C
Centre Line Symbol
Care of
Cada Una
Euler Constant
Scruple
Script Small G
Script Capital H
Black-Letter Capital H
Double-Struck Capital H
Planck Constant Over Two Pi
Script Capital I
Black-Letter Capital I
Script Capital L
Script Small L
L B Bar Symbol
Double-Struck Capital N
Sound Recording Copyright
Script Capital P
Double-Struck Capital P
Double-Struck Capital Q
Script Capital R

See all 81 letterlike symbols →

Questions

What is the Unicode for ℎ?

It is U+210E (PLANCK CONSTANT), decimal 8462.

Is there a Windows Alt code for it?

No standard Alt code exists for this character. In Word type 210E then Alt+X, or copy it from this page.

How do I type it on a Mac?

There is no built-in Option shortcut. Use the Character Viewer (Control + Command + Space) and search “planck constant”, or copy it from this page.

What is the HTML code?

Use the named entity &planckh; or the numeric reference ℎ.