Double-struck capital F

𝔽 is the Unicode character “MATHEMATICAL DOUBLE-STRUCK CAPITAL F” (U+1D53D). It belongs to the Mathematical Alphanumeric Symbols block and was added in Unicode 3.1. Click it to copy, or use the codes below.

𝔽 codes

UnicodeCode point U+1D53D
HTML codeDecimal, works in any HTML page 𝔽
HTML hexHexadecimal HTML code 𝔽
CSSFor the CSS content property \1D53D
JavaScriptEscape in JavaScript strings \u{1D53D}
PythonEscape in Python strings \U0001D53D
URL encodedPercent-encoded UTF-8 %F0%9D%94%BD
UTF-8Bytes in UTF-8 F0 9D 94 BD
UTF-16Code units in UTF-16 D835 DD3D

How to type 𝔽

Copy and paste

Click to copy it, then paste with Ctrl + V (⌘ + V on a Mac) or a long press on phones.

Windows

Press Win + . to open the emoji and symbol panel, then search for “double-struck capital F”.

In Microsoft Word, type 1D53D and press Alt + X.

Mac

Press Control + ⌘ + Space to open the Character Viewer, then search for “double-struck capital F”.

iPhone and Android

Copy it here and paste it. To type it again later, save it as a text replacement (iPhone: Settings › General › Keyboard › Text Replacement; Gboard: Settings › Dictionary › Personal dictionary).

HTML and CSS

Unicode U+1D53D. Every format is on the double-struck capital F page.

About 𝔽

Unicode name
MATHEMATICAL DOUBLE-STRUCK CAPITAL F
Code point
U+1D53D (120125)
Block
Mathematical Alphanumeric Symbols
Category
Uppercase Letter
Unicode version
3.1