Math Symbols Copy and Paste
Click any math symbol to copy it instantly, square root, pi, theta, sigma, and every mathematical sign, organized by category with names, Unicode, and Alt codes.
Most-Used Math Symbols
The symbols people copy most — click a card to copy the symbol.
All Math Symbols by Category
Hover or long-press any symbol to see its name. Click to copy.
Arithmetic & Basic
Fractions, Powers & Roots
Comparison & Equality
Set Theory
Logic
Calculus & Analysis
Geometry
Greek Letters in Math
Math Symbols List (Name, Unicode, HTML & Alt Code)
A quick reference for the most common math symbols and how to type them.
| Symbol | Name | Meaning / Use | Unicode | HTML | Alt Code |
|---|---|---|---|---|---|
| √ | Square Root | radical / root of a number | U+221A | √ | Alt+251 |
| ∛ | Cube Root | third root | U+221B | — | Alt+8731 |
| π | Pi | ratio 3.14159… | U+03C0 | π | Alt+227 |
| θ | Theta | angle variable | U+03B8 | θ | Alt+952 |
| Σ | Sigma (capital) | summation | U+03A3 | Σ | Alt+228 |
| σ | sigma (small) | standard deviation | U+03C3 | σ | Alt+229 |
| Ω | Omega (capital) | ohms / last | U+03A9 | Ω | Alt+234 |
| ω | omega (small) | angular velocity | U+03C9 | ω | Alt+969 |
| ∞ | Infinity | unbounded value | U+221E | ∞ | Alt+236 |
| ± | Plus–Minus | plus or minus | U+00B1 | ± | Alt+241 |
| ≠ | Not Equal | is not equal to | U+2260 | ≠ | Alt+8800 |
| ≈ | Approximately | approximately equal | U+2248 | ≈ | Alt+247 |
| ≤ | Less or Equal | less than or equal | U+2264 | ≤ | Alt+243 |
| ≥ | Greater or Equal | greater than or equal | U+2265 | ≥ | Alt+242 |
| ⊂ | Subset | is a subset of | U+2282 | ⊂ | Alt+8834 |
| ⊆ | Subset or Equal | subset of or equal | U+2286 | ⊆ | Alt+8838 |
| ∫ | Integral | calculus integral | U+222B | ∫ | Alt+8747 |
| ∂ | Partial | partial derivative | U+2202 | ∂ | Alt+8706 |
| ∑ | Summation | sum over index | U+2211 | ∑ | Alt+8721 |
| ∏ | Product | product over index | U+220F | ∏ | Alt+8719 |
| ∈ | Element Of | belongs to a set | U+2208 | ∈ | Alt+8712 |
| ∪ | Union | union of sets | U+222A | ∪ | Alt+8746 |
| ∩ | Intersection | intersection of sets | U+2229 | ∩ | Alt+8745 |
| Δ | Delta | change / difference | U+0394 | Δ | Alt+916 |
How to Copy and Paste Math Symbols
This is the fastest way to copy and paste math symbols online. Click any symbol above and it is added to the copyboard at the top of the page — you can collect several at once, then press Copy and paste them into your document, message, spreadsheet, or website. There is no sign-up and no download, and every math symbol is standard Unicode, so it works on iPhone, Android, Windows, and Mac.
Need a specific one? You can copy and paste the square root symbol (√), copy the pi symbol (π), grab the theta symbol (θ), or the sigma symbol (Σ) in one click. Whether you want the radical symbol to copy and paste for an equation or the subset symbol for set notation, every sign is right here with its name so you always pick the correct character.
Square Root, Pi, Theta, Sigma & Omega
These are the most searched math symbols. The square root symbol √ (also called the radical symbol) is used for roots; ∛ is the cube root. The pi symbol π represents 3.14159…, and is easy to copy and paste for geometry and trigonometry. The theta symbol θ is used for angles, while the sigma symbol comes in two forms — capital Σ for summation and lowercase σ for standard deviation. The omega symbol also has two forms: capital Ω for ohms and lowercase ω for angular velocity. Each one is available above as a single click to copy.
Math Symbols for Every Platform
Every math symbol here is free to copy and paste with no limits. Because they are standard Unicode characters, your subset symbol copy paste, radical symbol copy and paste, or sigma symbol copy paste will display correctly across Word, Google Docs, Excel, WhatsApp, and any website. Use the reference table above for Unicode values, HTML entities, and Windows Alt codes when you need to type a symbol directly.
Frequently Asked Questions
How do I copy and paste the square root symbol?
Click the square root symbol √ in the Most-Used or Roots section above to add it to the copyboard, then press Copy. You can now paste √ (the radical symbol) anywhere you like.
What is the pi symbol and how do I copy it?
The pi symbol π represents the constant 3.14159…. Click π above to copy the pi symbol and paste it into any equation, document, or message.
How do I copy the theta and sigma symbols?
Click θ to copy the theta symbol, and Σ (capital) or σ (lowercase) to copy the sigma symbol. Capital Σ is used for summation and lowercase σ for standard deviation.
How do I type math symbols with Alt codes?
On Windows, hold ALT and type the code on the numeric keypad — for example ALT+251 for √, ALT+227 for π, and ALT+241 for ±. On Mac, try Option+V for √ and Option+P for π. The full list is in the table above.
Do these math symbols work on iPhone and Android?
Yes. All math symbols are standard Unicode characters, so they display correctly across every device and app, including iPhone, Android, Windows, and Mac.
What is the difference between Σ and σ, or Ω and ω?
The capital and lowercase Greek letters usually mean different things in math. Capital Σ is summation while lowercase σ is standard deviation; capital Ω often means ohms while lowercase ω means angular velocity.