What is the difference between Mathematical Double-struck Capital K and Latin Capital Letter K?

Mathematical Double-struck Capital K is U+1D542 in the Mathematical Alphanumeric Symbols block. Latin Capital Letter K is U+004B in the Basic Latin block. They are distinct Unicode codepoints and may appear visually similar depending on the font.

What is the HTML entity for Mathematical Double-struck Capital K?

The HTML entity for Mathematical Double-struck Capital K (U+1D542) is 𝕂.

What is the HTML entity for Latin Capital Letter K?

The HTML entity for Latin Capital Letter K (U+004B) is K.

Are Mathematical Double-struck Capital K and Latin Capital Letter K the same Unicode character?

No. Mathematical Double-struck Capital K is U+1D542 (decimal 120130) and Latin Capital Letter K is U+004B (decimal 75). They are separate codepoints.

What are the UTF-8 encodings of Mathematical Double-struck Capital K and Latin Capital Letter K?

Mathematical Double-struck Capital K (U+1D542) encodes as F0 9D 95 82 in UTF-8. Latin Capital Letter K (U+004B) encodes as 4B in UTF-8.

Mathematical Double-struck Capital K vs Latin Capital Letter K

Compare two Unicode characters side by side — encodings, HTML entities, escape sequences, and Unicode properties. Useful for distinguishing visually similar characters like hyphens and dashes, quotation marks, or homoglyphs.

𝕂

Mathematical Double-struck Capital K

U+1D542

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Latin Capital Letter K

U+004B

Full details →

Property Comparison

Property	Mathematical Double-struck Capital K	Latin Capital Letter K
Codepoint	`U+1D542`	`U+004B`
Decimal	`120130`	`75`
HTML Entity	`𝕂`	`K`
HTML Decimal	`𝕂`	`K`
HTML Hex	`𝕂`	`K`
UTF-8	`F0 9D 95 82`	`4B`
UTF-16	`D8 35 DD 42`	`00 4B`
UTF-32	`0001D542`	`0000004B`
CSS Escape	`\1D542`	`\4B`
JS Escape	`\uD835\uDD42`	`\u004B`
Python Escape	`\U0001D542`	`\u004B`
URL Encoded	`%F0%9D%95%82`	`K`
Category	`Uppercase Letter (Lu)`	`Uppercase Letter (Lu)`
Block	`Mathematical Alphanumeric Symbols`	`Basic Latin`
Script	`Common`	`Latin`
Bidi Class	`L`	`L`
Unicode Version	`3.1`	`1.1`

Rows highlighted in amber differ between the two characters.

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Frequently confused character pairs.

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