HTML Entity for Uppercase I (I)

What You'll Learn
How to display the uppercase letter I in HTML using entity methods. The letter I is the ninth letter of the Latin alphabet (U+0049) and is part of the Basic Latin block. In most cases you can type it directly; numeric or CSS entities are useful when escaping, generating content via CSS, or ensuring correct encoding.
This character can be displayed using the character itself, a hexadecimal reference, a decimal reference, or a CSS escape in the content property. There is no named HTML entity like &I; for this letter.
⚡ Quick Reference — Uppercase I Entity
U+0049Basic Latin (ASCII)
IHexadecimal reference
IDecimal reference
IType directly (no named entity)
Name Value
──────────── ──────────
Unicode U+0049
Hex code I
HTML code I
Named entity (none — use I directly)
CSS code \49
Meaning Latin capital letter I
Related U+0069 = i (lowercase)
Block Basic Latin (U+0000–U+007F)Complete HTML Example
A simple example showing the uppercase letter I using hexadecimal code, decimal HTML code, the character directly, and a CSS content escape:
<!DOCTYPE html>
<html>
<head>
<style>
#point:after{
content: "\49";
}
</style>
</head>
<body>
<p>Symbol (hex): I</p>
<p>Symbol (decimal): I</p>
<p>Symbol (direct): I</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>🌐 Browser Support
The uppercase letter I (U+0049) is universally supported in all browsers and platforms as part of Basic Latin:
👀 Live Preview
See the uppercase letter I in common text contexts:
🧠 How It Works
Hexadecimal Code
I uses the Unicode hexadecimal value 49 to display the letter. The x prefix indicates hexadecimal format.
Decimal HTML Code
I uses the decimal Unicode value 73 to display the same character. This is the ASCII/Unicode decimal for I.
Direct Character
Type I directly in HTML. There is no named entity like &I;; the character itself is the standard approach in body text.
CSS Entity
\49 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.
Same visual result
All methods produce the glyph: I. Unicode U+0049 sits in Basic Latin. The lowercase form is U+0069 (i). In normal text, typing I is preferred.
Use Cases
The uppercase letter I (or its entity forms) is commonly used in:
Standard character in paragraphs, articles, and any Latin-script text. Usually typed directly.
Use in ARIA labels, alt text, placeholders, and attribute values; numeric entities help when escaping is needed.
Reference in font specs, CSS content, or generated text via CSS entities.
Teaching the alphabet, phonics, or character encoding; entity codes clarify the exact character.
When building HTML or strings programmatically, numeric entities ensure correct output.
Part of Basic Latin used across languages; entities can help in legacy encoding contexts.
CSS content or list-style may use the character via entity for styling.
💡 Best Practices
Do
- Type
Idirectly in body content; use entities only when necessary - Serve pages as UTF-8 so Basic Latin characters render without entities
- Use numeric references (
IorI) when escaping is required - Use
\49in CSScontentwhen generating the letter via pseudo-elements - Remember uppercase I is U+0049 and lowercase i is U+0069 when case matters
Don’t
- Overuse numeric entities for
Iin normal readable text - Expect a named HTML entity like
&I;—none exists for this letter - Put CSS escape
\49in HTML text nodes - Use padded Unicode notation like U+00049—the correct value is
U+0049 - Use
\00049in CSS—the correct escape is\49
Key Takeaways
Type I directly, or use hex/decimal references
I IFor CSS stylesheets, use the escape in the content property
\49Unicode U+0049 — LATIN CAPITAL LETTER I
Ninth letter of the Latin alphabet (Basic Latin block)
Previous: Uppercase Hu Hwair (Ƕ) Next: Uppercase I Acute
❓ Frequently Asked Questions
I directly, or use I (hex), I (decimal), or \49 in CSS content. For most content, typing I is standard; use numeric or CSS entities when escaping or generating via CSS.U+0049 (LATIN CAPITAL LETTER I). Basic Latin block. Hex 49, decimal 73. It is the ninth letter of the Latin alphabet.::before/::after, ensuring encoding in legacy systems, or building strings programmatically. In normal body text, typing I is preferred.I or I) is used in HTML content or attributes. The CSS entity (\49) is used in CSS, e.g. in the content property of pseudo-elements. Both produce I but in different contexts.&I; for the letter I. Use the character I directly, or numeric references I (decimal) or I (hex). Named entities are mainly for characters with special meaning (e.g. <, &).Explore More HTML Entities!
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