Bold Letter K Copy Paste
Copy the bold Unicode letter k in four styles below.
Lowercase k
𝐤
Uppercase K
𝐊
Bold lowercase k
𝗸
Bold uppercase K
𝗞
The bold letter k comes from the Mathematical Alphanumeric Symbols block (U+1D400–U+1D433), a range the Unicode Consortium defined for bold math variables. Applied to a single letter, it reads as a heavier weight character you can drop into any bio or caption without any real formatting.
Need the whole alphabet or a full sentence? Use the bold text generator to convert entire words at once, or browse the italic text generator for a different style.