What is the HTML entity for Greek Capital Letter Eta?

The HTML entity for Greek Capital Letter Eta is Η (decimal: Η, hex: Η).

What is the Unicode codepoint for Greek Capital Letter Eta?

Greek Capital Letter Eta has the Unicode codepoint U+0397 (decimal: 919).

What is the UTF-8 encoding of Greek Capital Letter Eta?

The UTF-8 encoding of Greek Capital Letter Eta is CE 97.

How do I use Greek Capital Letter Eta in JavaScript?

In JavaScript, use the escape sequence \u0397 or paste the character directly in a string.

What is the CSS escape for Greek Capital Letter Eta?

The CSS escape for Greek Capital Letter Eta is \397. Use it in CSS content properties or selectors.

How do I write Greek Capital Letter Eta in Python?

In Python, use the escape sequence \u0397 inside a string literal.

What is the URL encoding for Greek Capital Letter Eta?

The percent-encoded (URL encoded) form of Greek Capital Letter Eta is %CE%97.

What Unicode block does Greek Capital Letter Eta belong to?

Greek Capital Letter Eta belongs to the Greek and Coptic Unicode block.

Greek Capital Letter Eta

U+0397

BMP Unicode 1.1

Character Η

Entity Η

Decimal Η

Hex Η

Classification

Unicode properties assigned to this character by the Unicode Consortium. The codepoint is its unique numeric identifier. Category, block, and script determine how text systems render and process it.

Codepoint: U+0397
Decimal: 919
Plane: BMP — Basic Multilingual Plane
Category: Uppercase Letter (Lu)
Block: Greek and Coptic
Script: Greek
Bidi class: L Left-to-Right
East Asian Width: A Ambiguous
Properties: Alphabetic ID Start ID Continue
Lowercase: η U+03B7

Looks Like (Confusables)

Characters that are visually similar — relevant for security, font design, and homoglyph detection.

H U+0048 compare →

Encodings & Escape Sequences

Every Unicode character can be represented in multiple ways depending on context. HTML entities let you embed it safely in web pages. UTF-8 bytes are what gets stored on disk and sent over the network. Escape sequences let you reference it in source code without pasting the raw glyph. All formats below refer to the same character — Greek Capital Letter Eta.

Click the copy icon to copy any value.

Format	Value
HTML Named Entity	`Η` Named HTML entity — works in all browsers.
HTML Decimal	`Η` Decimal numeric character reference (&#decimal;).
HTML Hex	`Η` Hexadecimal numeric character reference (&#xHex;).
UTF-8 Hex Bytes	`CE 97` UTF-8 encoding as hex byte values. Most common on the web.
UTF-16 Hex Bytes	`03 97` Used internally by JavaScript, Java, and Windows.
UTF-32 Hex	`00000397` Fixed-width: one codepoint = 4 bytes.
CSS Escape	`\397` Use in CSS content property: content: "\XXXX"
JavaScript Escape	`\u0397` Use in JS strings: "\uXXXX" or template literals.
Python Escape	`\u0397` Use in Python strings: "\uXXXX" or "\UXXXXXXXX".
URL Encoded	`%CE%97` Percent-encoded for use in URLs.

Have a string containing this character? Decode it to see every codepoint. UnicodeDecoder →

Characters That Include This

These characters decompose to a sequence that includes Greek Capital Letter Eta as a component. They are effectively precomposed versions or compounds built on this base character.

Ή U+0389 Ἠ U+1F28 Ἡ U+1F29 Ὴ U+1FCA ῌ U+1FCC 𝚮 U+1D6AE 𝛨 U+1D6E8 𝜢 U+1D722 𝝜 U+1D75C 𝞖 U+1D796

Previous in block

Ζ Greek Capital Letter Zeta

Next in block

Greek Capital Letter Theta Θ

More in Greek and Coptic

View all →

Ͱ U+0370 ͱ U+0371 Ͳ U+0372 ͳ U+0373 ʹ U+0374 ͵ U+0375 Ͷ U+0376 ͷ U+0377 ͺ U+037A ͻ U+037B ͼ U+037C ͽ U+037D ; U+037E Ϳ U+037F ΄ U+0384 ΅ U+0385 Ά U+0386 · U+0387 Έ U+0388 Ή U+0389 Ί U+038A Ό U+038C Ύ U+038E Ώ U+038F

More Greek Script Characters

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Ͱ U+0370 ͱ U+0371 Ͳ U+0372 ͳ U+0373 ͵ U+0375 Ͷ U+0376 ͷ U+0377 ͺ U+037A ͻ U+037B ͼ U+037C ͽ U+037D Ϳ U+037F ΄ U+0384 Ά U+0386 Έ U+0388 Ή U+0389