The Accent Letters

Ō Capital O with macron

Ō
NameCapital O with macron
Lowercaseō
UnicodeU+014C (Latin Capital Letter O With Macron)
HTML entitynone
HTML codeŌ or Ō
Windows Alt codenone (use Win+. or Character Map)
Mac shortcutOption + 014C with Unicode Hex Input
Word shortcut014C then Alt+X
LaTeX\={O}
CSS / JavaScript\014C / \u014C
UTF-8 bytesC5 8C
URL encoded%C5%8C

Ō is the letter O with the macron, used in Mandarin Pinyin, Māori and Hawaiian. A flat bar above a vowel, used for long vowels in Latvian, Lithuanian, Māori, Hawaiian and Latin textbooks, and for the first tone in Pinyin.

How to type Ō on every device

Device or appMethod
WindowsWin+. → Symbols
MacOption + 014C (Unicode Hex Input)
iPhoneHold o
AndroidHold o
Microsoft Word014C then Alt+X
Google DocsInsert → Special characters
ChromebookCtrl+Shift+U, 014c, Space
HTMLŌ
LaTeX\={O}
Excel=UNICHAR(332)

Used in these languages

Mandarin PinyinMāoriHawaiian

About the macron

See every letter with the macron.

Other accented O letters

Ó Capital O with acuteÖ Capital O with umlautÔ Capital O with circumflexÒ Capital O with graveÕ Capital O with tildeØ Capital O with strokeŐ Capital O with double acuteŒ Capital OE ligature (ethel)Ŏ Capital O with breveỌ Capital O with dot belowƠ Capital O with hornǑ Capital O with caronỎ Capital O with hook aboveỐ Capital O with circumflex and acuteỒ Capital O with circumflex and graveỔ Capital O with circumflex and hook aboveAll O accents

Frequently asked questions

How do I type Ō on a keyboard?

On Windows, press Win+. and pick it from Symbols. On a Mac, hold Option and type 014C with Unicode Hex Input. On phones, touch and hold o.

What is the Unicode for Ō?

Ō is U+014C, named LATIN CAPITAL LETTER O WITH MACRON. In HTML write Ō.

Which languages use Ō?

Mandarin Pinyin, Māori and Hawaiian.