How to Type Greek Letters

Quick answer

Copy a Greek letter from the table below for plain text. In LaTeX, use commands such as \alpha, \beta, \theta, and \Omega inside math mode.

Greek uppercase and lowercase letters are different Unicode characters. They may also have different mathematical meanings, so select the exact case and variant used by your source.

Greek alphabet copy and LaTeX table

Some uppercase Greek letters look identical to Latin capitals. Standard LaTeX therefore uses the Latin character directly for those shapes rather than defining a separate common math command.

Type Greek letters on Windows

Copy and paste

Copy the exact Unicode character from the table. This is the fastest method for a single letter in normal text.

Microsoft Word equations

Insert an equation, enter a command such as \theta, and press Space. Use the correct capitalization: \omega produces ω, while \Omega produces Ω.

Character Map

Open Character Map and search within a font that contains Greek and Coptic characters. Character Map is useful when you need to inspect the character name rather than choosing only by appearance.

Word Unicode conversion

In compatible Word text, type a hexadecimal code point and press Alt+X. For example, 03B1 followed by Alt+X becomes α. This is a Word feature, not a universal Windows shortcut.

Type Greek letters on Mac

Press Control+Command+Space to open Character Viewer. Search for the letter name, such as theta or omega, and inspect the result before inserting it.

For frequent plain-text input, create text replacements for unique shortcuts. For equations, prefer the application’s equation editor or LaTeX input so the letter remains part of a structured expression.

Greek letters in HTML

Literal UTF-8 Greek characters are valid in modern HTML:

α β γ Δ θ λ π Σ φ Ω

Named entities exist for many common Greek letters, such as α, θ, and Ω. Numeric references also work, but a literal character is often easier to review in UTF-8 source.

Greek letters in LaTeX

Use Greek commands in math mode:

\alpha + \beta = \gamma

\Delta x = v\Delta t

\sum_{i=1}^{n} x_i

Check whether your renderer supports variant commands. Common examples include \varepsilon, \vartheta, \varpi, \varrho, \varsigma, and \varphi. The preferred visual form can differ by field, publisher, and font.

Troubleshoot and common look-alike problems

• Greek ν can resemble Latin v.
• Greek ρ can resemble Latin p.
• Greek χ can resemble Latin x.
• Greek ο and Ο can resemble Latin o and O.
• Greek Α, Β, Ε, Ζ, Η, Ι, Κ, Μ, Ν, Ο, Ρ, Τ, Χ, and Υ may resemble Latin capitals.

A visual match is not an encoding match. Mixed-script identifiers can break search, code, copy-paste, and accessibility. When identity matters, inspect the Unicode name or code point.

Choose uppercase, lowercase, or a variant

The correct form comes from the notation convention, not from appearance alone. For example:

• Δ often represents change, while δ may represent a small variation;
• Σ is commonly used for summation, while σ may represent standard deviation;
• Ω can represent ohms or a sample space, while ω often represents angular frequency;
• Π may be a product-related symbol, while π commonly represents the circle constant.

Define the symbol when the audience may not know which convention you are using.

Final check

After inserting a Greek letter, verify its case, Unicode identity, mathematical meaning, and behavior in the final export. Use Unicode for plain text and LaTeX or a native equation object for structured mathematics.

Choose the input method for this task

For how to type greek letters, first decide whether the destination needs one searchable Unicode character or a structured equation. Copy the Unicode character for prose, labels, filenames, and search fields. Use the documented LaTeX command or a native equation object when scripts, fractions, limits, or scalable delimiters are part of the expression.

Verify the exact character

1. Paste the result into the real destination, not only a preview field.
2. Inspect the Unicode code point or equation source so a look-alike cannot pass unnoticed.
3. Reopen the exported document and test selection, search, and copy-and-paste behavior.
4. When the symbol has several field-specific meanings, define the intended meaning beside its first use.

Troubleshoot a failed input

If the shortcut remains literal text, confirm that the cursor is inside the correct equation mode. If a missing-glyph box appears, switch to a font with the required character. If export changes the character, compare the source before and after export and use the Unicode value or structured equation source as the reference.