Pi Symbol (π): How to Type It on Any Keyboard (Windows, Mac, Word, Excel, Google Docs + Phone)

The pi symbol looks like this: π.

It’s used in maths and science to represent pi, the famous number that starts like this:

π = 3.1415926535…

Pi is used a lot with circles, especially formulas like:

• Circumference = 2πr
• Area = πr²

In this thorough guide, you’ll learn all the reliable ways to type π on Windows, Mac, Microsoft Word, Excel, PowerPoint, Google Docs, and phones — plus the Unicode and HTML codes.

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Quick copy (fastest way)

Paste:

• Windows: Ctrl + V
• Mac: Command + V
• Phone: tap and hold → Paste

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Pi symbol vs “Pi number” (π vs 3.14) — quick clarification

Beginners often ask: “Do I type π or do I type 3.14?”

• π is the symbol used in formulas and maths writing.
• 3.14 (or more digits) is the approximation you use when you need a decimal number.

So if you’re writing a formula, you usually type π.
If you’re calculating, you might use 3.14 or a calculator’s π button.

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Method 1: Type π on Windows (easy methods)

Option A: Windows symbol panel (quick and beginner-friendly)

This is easy because you can pick symbols from a panel.

1. Click where you want the symbol.
2. Press Windows key + . (Win + period)
3. Go to Symbols
4. Find π and click it

If you don’t see it there, use Character Map (Method 6) or copy/paste.

Option B: Alt code (works on many Windows PCs)

Alt codes let you hold Alt and type a number on the numeric keypad.

A commonly used Alt code for π is:

• Alt + 227 (numeric keypad)

Steps:

1. Turn Num Lock ON
2. Hold Alt
3. Type 227 on the numeric keypad
4. Release Alt → π

Beginner note: Alt codes often require a full keyboard with a numpad. If you’re on a laptop, Word Alt+X or copy/paste is usually easier.

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Method 2: Type π on Mac (Character Viewer method)

On Mac, the most reliable way is Character Viewer.

1. Click where you want to insert π
2. Press Control + Command + Space
3. Search for pi
4. Click π to insert it

This works in most apps on macOS.

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Method 3: Type π in Microsoft Word using “Alt + X” (best Word method)

Word can convert Unicode codes into symbols. For π, the Unicode is:

03C0

Steps:

1. In Word, type 03C0
2. Press Alt + X
3. It converts into π

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Method 4: Insert π in Word (menu method)

1. Go to Insert → Symbol → More Symbols
2. Find π
3. Click Insert

Tip: After inserting once, Word usually keeps it in “recent symbols.”

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Method 5: Type π in Excel (easy ways)

Option A: Copy and paste (fastest)

Copy π from this page and paste into a cell.

Option B: Insert Symbol

1. Click the cell
2. Go to Insert → Symbol
3. Find π
4. Click Insert

Bonus: Pi in Excel formulas (not the symbol)

If you want the value of pi in a formula, Excel has a built-in function:

• =PI()

This returns 3.14159265358979…

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Method 6: Windows Character Map (reliable backup)

1. Click Start and search Character Map
2. Open it
3. Find π