U+0398
Theta capitalΘ
Theta capital is a monochrome text character from the Unicode Greek and Coptic block, listed here under Greek Letters. Copy it with one click, or use the hex, octal, decimal and HTML entity codes below to embed it in web pages, code, and documents.
Quick facts
- Unicode
- U+0398
- Decimal
- 920
- Hex
- 0x0398
- Octal
- 0o1630
Unicode identity
| Format | Value | Copy |
|---|---|---|
| Code pointOfficial Unicode notation | U+0398 | |
| Official nameUnicodeData.txt, Unicode 18.0.0 | GREEK CAPITAL LETTER THETA | |
| DecimalBase 10 | 920 | |
| HexadecimalBase 16 | 0x0398 | |
| OctalBase 8 | 0o1630 | |
| BinaryBase 2 | 0000001110011000 | |
| General categoryLetter, uppercase | Lu | |
| Unicode blockU+0370–U+03FF | Greek and Coptic | |
| Plane | Basic Multilingual Plane (BMP, Plane 0) |
HTML & CSS
| Format | Value | Copy |
|---|---|---|
| HTML entity (decimal) | Θ | |
| HTML entity (hex) | Θ | |
| HTML entity (named) | Θ | |
| CSS content escapeUse inside content: "…" | \0398 | |
| URL encodedPercent-encoded UTF-8 | %CE%98 |
Programming languages
| Format | Value | Copy |
|---|---|---|
| JavaScript / TypeScript | \u0398 | |
| JSONUTF-16 surrogate pairs | \u0398 | |
| Python | \u0398 | |
| Java / C# / Kotlin | \u0398 |
Byte encodings
| Format | Value | Copy |
|---|---|---|
| UTF-82 bytes | CE 98 | |
| UTF-16 (BE) | 0398 | |
| UTF-32 (BE) | 00000398 |
How to type Theta capital
Windows
Hold Alt and type +398 with the hex numeric keypad option enabled, or type 398 then press Alt+X in Word and most Office apps.
macOS
Enable the Unicode Hex Input keyboard, hold Option, and type 0398. Or open Character Viewer (Control+Command+Space) and search "Theta capital".
Linux
Press Ctrl+Shift+U, type 398, then press Space or Enter in GTK apps. IBus and most terminals support the same sequence.
HTML, CSS & code
Paste the character directly, or use the escapes above: Θ in HTML, \0398 in CSS, and \u0398 in JavaScript.
Official Unicode reference
- Character name
- GREEK CAPITAL LETTER THETA
- Block
- Greek and Coptic (U+0370–U+03FF)
- General category
- Lu — Letter, uppercase
Data from the Unicode Character Database, version 18.0.0. See the official code chart for the Greek and Coptic block: U0370.pdf (PDF, unicode.org).
Frequently asked questions
How do I copy the Theta capital symbol?
Click the Copy button at the top of this page, or select Θ and press Ctrl+C (Cmd+C on Mac). It is plain Unicode text, so it pastes into documents, chats, code, and design tools.
What is the Unicode code point for Theta capital?
Theta capital is U+0398 (decimal 920, hexadecimal 0x0398, octal 0o1630). It lives in the Greek and Coptic block (U+0370–U+03FF) of the Basic Multilingual Plane (BMP, Plane 0).
What is the official Unicode name of Theta capital?
The Unicode Standard (version 18.0.0) names this character "GREEK CAPITAL LETTER THETA". Its General_Category is Lu (Letter, uppercase).
What is the HTML code for Theta capital?
Use Θ or Θ, or the named entity Θ. In CSS, use content: "\0398".
How do I type Theta capital in code?
JavaScript: "\u0398". Python: "\u0398". JSON and Java: "\u0398". The UTF-8 byte sequence is CE 98.
Is Theta capital an emoji?
No. Theta capital is a text symbol and renders as a monochrome glyph in the current font. Some platforms may offer an emoji variant when U+FE0F is appended.