Copy and use the Phi symbol (Φ φ) - uppercase and lowercase
Discover the fascinating world of Phi (Φ φ), the 21st letter of the Greek alphabet and a symbol that represents harmony, proportion, and mathematical beauty.
Unicode
U+03A6
HTML Entity
Φ
LaTeX
\Phi
Pronunciation
/faɪ/
The uppercase Phi represents significant mathematical and physical concepts, including magnetic flux and Euler's totient function.
Unicode
U+03C6
HTML Entity
φ
LaTeX
\phi
Variant
ϕ (straight)
The lowercase phi is famous for representing the golden ratio and appears in various mathematical and scientific contexts.
The golden ratio (φ ≈ 1.618033988749895) represents perfect proportions found throughout nature and art.
Derived from the Phoenician letter 'Pe' (𐤐), Phi has evolved through centuries of mathematical and cultural significance.
Used in physics to represent magnetic flux, electric potential, and quantum mechanical wave functions.
Essential in architecture and visual arts for creating aesthetically pleasing proportions and compositions.
The golden ratio (φ) appears in the proportions of the Parthenon in Athens, built around 447-432 BCE.
Leonardo da Vinci used phi in his paintings, including the famous Mona Lisa and The Last Supper.
The spiral pattern of seeds in a sunflower follows the golden ratio, maximizing efficiency of seed arrangement.
Multiple ways to type Phi (Φ φ) on different devices and platforms
Alt + 232 Alt + 0934 Alt + 0966 Press Win + R Type "charmap" Search for "phi" Double-click to select Click "Copy" Option + f Option + Shift + F Press Control + Command + Space Search for "phi" Double-click to insert Long press 'o' on keyboard Slide to find φ Or use emoji keyboard Long press 'o' or 'p' Open symbols keyboard Search in Google Keyboard Create custom keyboard shortcuts in your text editor for frequently used symbols.
Use a text expansion tool to create shortcuts like ":phi" that expand to "φ".
Bookmark this page for quick reference to all Phi symbol typing methods.
Explore how Phi (Φ φ) is used across various fields, from mathematics and physics to art and design.
≈ 1.618033988749895
Various Applications
Field Properties
Wave Properties
Electrical Engineering
Structural Applications
Building & Space
Artistic Applications
The golden ratio (φ) is considered the most aesthetically pleasing proportion in design and nature.
Ancient Greek architects used φ to create buildings with perfect visual harmony.
The spiral pattern in galaxies often follows the golden ratio proportion.
| Name | Uppercase | Lowercase |
|---|---|---|
| Alpha | ||
| Beta | ||
| Gamma | ||
| Delta | ||
| Epsilon | ||
| Zeta | ||
| Eta | ||
| Theta | ||
| Iota | ||
| Kappa | ||
| Lambda | ||
| Mu | ||
| Nu | ||
| Xi | ||
| Omicron | ||
| Pi | ||
| Rho | ||
| Sigma | ||
| Tau | ||
| Upsilon | ||
| Phi | ||
| Chi | ||
| Psi | ||
| Omega |
Find answers to common questions about the Phi symbol, its usage, and significance
There are two forms of the lowercase phi: the curly form (φ) and the straight form (ϕ). The curly form (φ) is typically used in text and general writing, while the straight form (ϕ) is more commonly used in mathematical notation and formulas. Both represent the same letter but are used in different contexts.
Phi is pronounced as 'fie' (like 'fly' without the 'l'). In International Phonetic Alphabet (IPA) notation, it's written as /faɪ/. This pronunciation is consistent across English-speaking countries, though some variations might exist in other languages.
If you see a box or question mark instead of the Phi symbol, this usually means your device doesn't have a font installed that supports Greek characters. Try updating your system fonts or installing a Unicode-compatible font. Most modern devices should display Greek letters correctly by default.
In Microsoft Word, you can insert Phi by going to Insert → Symbol → More Symbols, then selecting Greek from the subset dropdown. In Google Docs, use Insert → Special characters and search for 'phi'. You can also use keyboard shortcuts: Alt + 232 (Windows) for lowercase φ, or Option + f (Mac) for φ.
Yes, you can use the Phi symbol in your website or application. For HTML, use the entities φ for lowercase and Φ for uppercase. For Unicode, use U+03C6 (lowercase) or U+03A6 (uppercase). Make sure to use a font that supports Greek characters.
Different fonts may display the Phi symbol slightly differently, especially the lowercase version. This is normal and depends on the font designer's interpretation. Some fonts emphasize the traditional handwritten form, while others opt for a more modern or simplified design. The meaning remains the same regardless of the specific design.
The Golden Ratio (approximately 1.618033988749895) is often represented by the lowercase phi (φ). It's a special number found in nature and used in art and architecture. When a line is divided according to the Golden Ratio, the ratio of the longer part to the shorter part is the same as the ratio of the whole line to the longer part.
Phi (Φ) is used extensively in mathematics and physics to represent various concepts. In mathematics, it represents the Golden Ratio and Euler's Totient Function. In physics, it's used to denote magnetic flux, electric potential, and phase angle in waves. Its widespread use stems from its historical significance and mathematical properties.
In quantum mechanics, φ (phi) is often used to represent wave functions, which describe the quantum state of particles. It appears in Schrödinger's equation and other fundamental quantum mechanical formulas. The symbol is also used in quantum field theory for scalar fields.