`<rt>` HTML ruby text element

The <rt> HTML element specifies the ruby text component of a ruby annotation, which is used to provide pronunciation, translation, or transliteration information for East Asian typography. The <rt> element must always be contained within a <ruby> element.

<ruby>
  漢 <rp>(</rp><rt>kan</rt><rp>)</rp> 字 <rp>(</rp><rt>ji</rt><rp>)</rp>
</ruby>

ruby {
  font-size: 2em;
}

See the article about the <ruby> element for more examples.

Attributes

This element only includes the global attributes.

Examples

Using ruby annotations

This example provides Romaji transliteration for the kanji characters within the <ruby> element:

<ruby> 漢 <rt>Kan</rt> 字 <rt>ji</rt> </ruby>

body {
  font-size: 22px;
}

Result

Technical summary

Content categories	None.
Permitted content	Phrasing content.
Tag omission	The end tag may be omitted if the <rt> element is immediately followed by an <rt> or [``](/firefox/mdn/html/reference/elements/rp/) element, or if there is no more content in the parent element
Permitted parents	A [``](/firefox/mdn/html/reference/elements/ruby/) element.
Implicit ARIA role	No corresponding role
Permitted ARIA roles	Any
DOM interface	[`HTMLElement`](/firefox/mdn/api/htmlelement/)

Specifications

Browser compatibility

See also

• <ruby>
• <rp>
• <rb>
• <rtc>
• text-transform: full-size-kana
• CSS ruby layout module