HTML Entity Detail

HTML Entity - Angstrom Sign

Angstrom Sign is a letterlike mathematical symbols representing number sets and special functions. This HTML entity enables web developers to display this character reliably across all browsers without encoding issues.

Symbol preview
Unicode

U+212B

HTML entity

Å

CSS code

\212B

Usage Examples

Use this HTML entity in mathematical notation for number sets like ℝ (real numbers) and ℕ (natural numbers), and physics constants.

Common Mistakes

⚠️

Mistake: Using plain Latin letters instead of double-struck symbols for number sets

Fix: Use ℝ (ℝ), ℕ (ℕ), ℤ (ℤ), ℂ (ℂ) for number sets. Plain R, N, Z, C are ambiguous and less formal in mathematical writing.

⚠️

Mistake: Confusing the aleph symbol ℵ with a Hebrew letter or a stylized N

Fix: The aleph symbol ℵ is specifically used in set theory for transfinite cardinal numbers (ℵ₀). It is not a decorative character or a substitute for the Hebrew letter.

Angstrom Sign

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Category: Letterlike Symbols
Unicode U+212B
Hex Code Å
HTML Code Å
HTML Entity Å
CSS Code \212B
Windows Shortcut
Mac Shortcut
HTML code example
CSS code example
Last updated: 21 Jun 2026