Mathematical Sans-serif Bold Small I Symbol
𝗶 is the mathematical sans-serif bold small letter i (U+1D5F6).
U+1D5F6
𝗶 is a Unicode math styled character often used to match the look of bold mathematical text. It’s useful when you need a specific “math bold i” appearance instead of plain i.
Mathematical Sans-serif Bold Small I Symbol Meaning
𝗶 is the Unicode character “MATHEMATICAL SANS-SERIF BOLD SMALL I” with code point U+1D5F6. It belongs to the Math category and is commonly used in mathematical typesetting contexts where a designer or developer wants a consistent sans-serif bold style for variables, indices, or labels. In plain text, it lets you visually distinguish this “math-styled” small i from regular lowercase i. Use it when copying into documents, design tools, or web text to keep typography consistent. The character’s appearance depends on the font support on the reader’s device.
Common uses
- •Typing a math-styled variable name in plain text
- •Labeling diagram elements or axis text where you need bold math styling
- •Using in design mockups to match the look of mathematical notation
- •Creating consistent typography in posters, thumbnails, and social graphics
- •Publishing content where you want the character to render as a specific Unicode symbol
Examples
𝗶 — Mathematical Sans-Serif Bold Small I
- 𝗶Let 𝗶 be the imaginary unit marker in the label.
- 𝗶In matrix form, 𝗶 denotes the bold i component.
- 𝗶Compute the sum over 𝗶 for the index set.
- 𝗶Set 𝗶 = 0 to simplify the expression.
- 𝗶The value of 𝗶 is shown in the legend.
Variations
Ready to copy
Technical codes
| Unicode | U+1D5F6 | |
| HTML Entity | 𝗶 | |
| HTML Code | 𝗶 | |
| CSS | \1D5F6 | |
| Decimal | 120310 |
How to type Mathematical Sans-serif Bold Small I Symbol (𝗶)
On Windows
In Word, type 1D5F6 then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d5f6, then press Enter or Space.
Anywhere
Copy 𝗶 with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Sans-serif Bold Small I symbol mean?
𝗶 is the Unicode character “MATHEMATICAL SANS-SERIF BOLD SMALL I” with code point U+1D5F6. It belongs to the Math category and is commonly used in mathematical typesetting contexts where a designer or developer wants a consistent sans-serif bold style for variables, indices, or labels. In plain text, it lets you visually distinguish this “math-styled” small i from regular lowercase i. Use it when copying into documents, design tools, or web text to keep typography consistent. The character’s appearance depends on the font support on the reader’s device.
What Unicode character is 𝗶?
𝗶 is U+1D5F6, named “MATHEMATICAL SANS-SERIF BOLD SMALL I” (Math category).
How can I copy 𝗶 easily?
Copy the character directly from this page. You can also use the HTML entity 𝗶 or Unicode escapes like \\u{1D5F6} in code.
Will 𝗶 look the same everywhere?
Appearance can vary by font support. Where the font includes this Unicode math style, it should display as the bold sans-serif small i.
Is 𝗶 the same as a normal lowercase i?
No. 𝗶 is a distinct Unicode math styled character, not just the regular letter “i”. It’s meant for a specific typography style.