Mathematical Italic Small I Symbol
π is the Mathematical Italic Small I symbol (U+1D456), used in math and technical notation.
U+1D456
The character π is named Mathematical Italic Small I. It appears in math-style text where italic βiβ formatting is preferred. You can copy it directly or use its Unicode/HTML/CSS/JavaScript escapes.
Mathematical Italic Small I Symbol Meaning
βπβ is a math-styled, italic lowercase i with the Unicode codepoint U+1D456 (HTML entity 𝑖). Because it is italicized and designed for mathematical typography, itβs commonly used to present variables, indices, and symbols in equations and formal writing. It may look similar to the standard Latin letter βiβ, but it is different at the character levelβso copying the correct symbol matters for consistent rendering. When you need a specific math-italic βiβ in documents, design files, or web text, this exact character helps maintain the intended typographic style.
Common uses
- β’Typing math variables in equations and scientific notes
- β’Labeling an index or component in technical documentation
- β’Designing math-themed graphics or UI labels that use italic math styling
- β’Writing formatted text in blogs or posts that require the exact math italic glyph
- β’Using the symbol in code-rendered documentation or formula text
Examples
π (Mathematical Italic Small I)
- πLet π be an index over terms.
- πWe compute the value for π = 1, 2, 3.
- πThe component π of the vector is shown below.
- πDefine π as the current layer number.
- πIn the sum, π runs from 0 to πβ1.
Variations
Ready to copy
Technical codes
| Unicode | U+1D456 | |
| HTML Entity | 𝑖 | |
| HTML Code | 𝑖 | |
| CSS | \1D456 | |
| Decimal | 119894 |
How to type Mathematical Italic Small I Symbol (π)
On Windows
In Word, type 1D456 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 1d456, then press Enter or Space.
Anywhere
Copy π with the button above and paste it wherever you need it β this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Italic Small I symbol mean?
βπβ is a math-styled, italic lowercase i with the Unicode codepoint U+1D456 (HTML entity 𝑖). Because it is italicized and designed for mathematical typography, itβs commonly used to present variables, indices, and symbols in equations and formal writing. It may look similar to the standard Latin letter βiβ, but it is different at the character levelβso copying the correct symbol matters for consistent rendering. When you need a specific math-italic βiβ in documents, design files, or web text, this exact character helps maintain the intended typographic style.
How do I copy π correctly?
Copy the character shown on this page (π). Avoid using the plain letter βiβ, since it is a different Unicode character than U+1D456.
What is the Unicode codepoint for π?
The Unicode codepoint for Mathematical Italic Small I is U+1D456.
What HTML entity or escapes can I use?
HTML entity: 𝑖. CSS escape: \\1D456. JavaScript escape: \\u{1D456}.
Is π the same as the normal letter i?
No. π is a math italic glyph (Unicode U+1D456), while the normal letter i is a different character with different typography and codepoint.