Squared Symbol (²)

The fastest way to use the Squared Symbol (²). Click to copy ² instantly, learn keyboard shortcuts for Windows and Mac, and explore all related superscript characters.

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²
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All Superscript Characters

All superscript characters in one place — including the Squared Symbol (²).

Click any symbol to copy it instantly. Ideal for math, science, and chemistry.

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Superscript 0

U+2070

Zero power

¹
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Superscript 1

U+00B9

First power

²
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Superscript 2

U+00B2

Squared

³
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Superscript 3

U+00B3

Cubed

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Superscript 4

U+2074

Fourth power

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Superscript 5

U+2075

Fifth power

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Superscript 6

U+2076

Sixth power

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Superscript 7

U+2077

Seventh power

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Superscript 8

U+2078

Eighth power

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Superscript 9

U+2079

Ninth power

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Superscript n

U+207F

Variable power

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Superscript i

U+2071

Imaginary unit

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Superscript m

U+1D50

Letter m

ʲ
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Superscript j

U+02B2

Letter j

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Superscript plus

U+207A

Plus sign

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Superscript minus

U+207B

Minus sign

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Superscript left parenthesis

U+207D

Left bracket

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Superscript right parenthesis

U+207E

Right bracket

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Superscript equals

U+207C

Equals sign

ˣ
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Superscript x

U+02E3

Exponent placeholder

How to Type a Squared Symbol

The easiest way: click ² above to copy, then paste. Prefer typing? Here are quick ways on each device.

💻 Windows

Using Alt Code

Alt + 0178

  1. Hold down the Alt key
  2. Type 0178 on the numeric keypad
  3. Release the Alt key

Works in most apps with a full keyboard.

🍎 Mac

Character Viewer

  1. Press Control + Command + Space
  2. Search “superscript 2”
  3. Insert ²

Or copy ² above and paste anywhere.

📱 iPhone & Android

Quick Copy

  1. Tap the big ² above to copy
  2. In any app, long‑press the text field
  3. Tap Paste to insert ²

Many mobile keyboards also include a symbols panel or clipboard shortcut.

What is the Squared Symbol?

The Squared Symbol (²) means a number multiplied by itself. It’s the small superscript 2 you see in math, science and everyday units like m². Here you can copy ² and learn quick ways to type it anywhere.

Mathematical Symbol

When a value has the Squared Symbol after it, read it as “to the power of two”. Examples: 9² = 81, (a − b)² = a² − 2ab + b².

Unicode Character

The Squared Symbol is a standard Unicode character (U+00B2). That means it renders consistently across Windows, macOS, Android and the web when the font supports it.

Alternative Names

Also called superscript 2, power of two, or simply square. You’ll see the Squared Symbol in formulas, geometry areas (m², km²) and physics units (m/s²).

Common Uses of the Squared Symbol

Where you’ll see the Squared Symbol (²) most often — from everyday units to data analysis.

Areas & Units

Square units use the Squared Symbol to show area.

72 m² (square meters)
18 km² (square kilometers)
900 ft² (square feet)

Physics & Engineering

Accelerations and famous equations use superscript 2.

a = 9.81 m/s²
E = mc²

Statistics & Data

Measures of fit and spread are written with the Squared Symbol.

R² (coefficient of determination)
σ² (variance)
χ² test (chi‑squared)

Geometry & Algebra

Squares appear in distances, expansions and circles.

(a − b)² = a² − 2ab + b²
x² + y² = r² (circle)
distance² = Δx² + Δy²

Frequently Asked Questions

What is the easiest way to get the Squared Symbol (²)?

Click the big ² at the top to copy the Squared Symbol, then paste it anywhere. It’s the fastest way on any device.

How do I type the Squared Symbol on Windows?

Use Alt code: hold Alt and type 0178 on the numeric keypad to insert the Squared Symbol.

How do I type the Squared Symbol on Mac?

Press Control + Command + Space, search “superscript 2”, and insert ². Or copy the Squared Symbol directly from this page.

Can I use the Squared Symbol on my phone?

Yes. Tap the ² on this page to copy the Squared Symbol, long‑press any text field, and paste.

Why does the Squared Symbol look different in some apps?

Appearance depends on the font. The Squared Symbol (U+00B2) is a Unicode character, but fonts style it differently. Try a system font or a math‑friendly font.

Is there a shortcut to square numbers if I can’t insert the Squared Symbol?

In programming and calculators, use ^2 or **2 as an alternative to the Squared Symbol. Example: x^2 or x**2.

Where is the Squared Symbol used most?

The Squared Symbol appears in areas (m², km²), physics units (m/s²), statistics (R², σ²), and common formulas like (a − b)².