How to Add a Superscript or Subscript in Word

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You’ve written your final draft, but now it’s time to add those small, precise details—the formulas, citations, and technical notes.
Superscript and subscript formatting in Microsoft Word help make your documents look polished and professional.
A superscript in Word positions text slightly above the baseline, perfect for exponents or ordinal markers like ‘1st.’ On the other hand, subscripts drop below the text line, often used in chemical equations or mathematical notations. For example, The chemical formula of water is H2O, where ‘2’ is in subscript.
These formatting options make your content functional, accurate, and easier to read. In this step-by-step guide, we’ll explore how to add superscripts and subscripts in Word. 📃
Steps to add superscript or subscript in Word
Formatting text with the superscript or subscript symbol in Word is straightforward. However, there are many methods to achieve it.
Whether you prefer quick shortcuts, using the ribbon menu, or working with advanced settings, Word has many tools to suit different styles and needs.
Here are the most effective ways to apply superscript and subscript formatting. 🎯
The easiest way to format text as superscript or subscript in Word is by using the dedicated buttons in the toolbar.
Let’s break down the steps. ⚒️
Open your Word document and navigate to the Home tab on the Ribbon at the top of the window.

Go to the Font section on the Home tab. You’ll notice the two icons.
Don’t forget to check that you’re working in a text-editable area of the document. Protected or read-only sections may restrict formatting changes.

🧠 Fun Fact: Medieval scribes often used superscript letters to abbreviate long words, particularly in religious texts. For example, the letter ‘x’ was sometimes written in superscript to represent the word ‘Christ’ (as in ‘Xmas’ for Christmas).
To apply superscript, click the x² icon. For instance, if you want ‘10^3’, highlight the ‘3’ and click the superscript button.
Ensure the correct text is selected before clicking the superscript or subscript button. The formatting won’t apply if no text is highlighted.

Once you click the appropriate button, you’ll get 10³ as your answer.

To apply subscript, click the x₂ icon. For example, select the ‘2’ in ‘H2O’ and click the Subscript button. The answer you’ll get is H₂O.
💡 Pro Tip: If clicking the superscript or subscript button alters unrelated formatting, it may be due to additional styles applied. Clear formatting with the Microsoft Word shortcut ‘Ctrl + Space’ before retrying.


If speed is a priority, Word offers handy keyboard shortcuts for formatting text as superscript or subscript. These shortcuts allow you to format on the fly without interrupting your workflow.
Select the text you want to format. Then, apply these shortcuts:
This method is perfect if you work extensively with superscripts or subscripts and prefer not to rely on the toolbar.
💡 Pro Tip: Some Word installations or customizations may reassign these shortcuts. A Microsoft Word hack is to check or reset your shortcut settings under Word Options > Customize Ribbon > Keyboard Shortcuts.
The Font dialog box offers additional control over subscript and superscript settings. This method is especially useful if you’re formatting multiple pieces of text or working on a detailed document.
Let’s look at how to apply this method. 📋
Highlight the text you wish to format and go to the Home tab on the Ribbon. Click the small arrow in the button-right corner of the Font section, also known as the Font launcher, to open the dialog box.

The keyboard shortcut to open the Font dialog box is ‘Ctrl + D.’
🔍 Did You Know? The famous red squiggly line that appears under misspelled words was first introduced in Word 97. This quick visual cue allowed users to spot errors and quickly fix them.
Once the dialog box opens, locate the Effects section. Check Superscript to format the text above the line and Subscript to format the text below the line.
To highlight ‘th’ in ‘4th,’ open the Font dialog box and check Superscript. You’ll get 4ᵗʰ as the formatted text.

To highlight ‘2’ in ‘CO2,’ open the Font dialog box and check Subscript. It’ll become CO₂.

🧠 Fun Fact: Superscript is often used in legal writing to denote footnotes or references. Many legal documents, such as contracts and academic articles, use superscript numbering for citations or essential notes that appear at the bottom of the page.
Click ‘OK’ to apply the changes and get the formatted text.

📖 Also Read: How to Compare Two Word Documents
When working with formatting in Word, you might need to revert text to its standard formatting. Fortunately, there are many methods to undo superscripts quickly and efficiently.
Let’s look at a few. 👇
While Microsoft Word is a helpful tool for creating and formatting basic documents, it lacks advanced features for elaborate needs.
Here are some common challenges in intricate document creation with Word. 👇
🧠 Fun Fact: In the early days of printing, printers manually adjusted typefaces to make characters appear in superscript form. This process was a delicate art, as early printing presses didn’t have the precision of modern ones.
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With ClickUp Docs, you can create and organize content seamlessly while keeping everything linked to your tasks and projects.
Formatting is straightforward—you can use banners, tables, and rich-text options to make your documents look polished without dealing with hidden formatting codes. This makes adding superscripts and subscripts much easier than it is in Word.

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📖 Also Read: How to Streamline Your Document Management Workflow
Superscript and subscript formatting are powerful tools in specialized documents. From chemical equations to mathematical notations, they help present complex information clearly and professionally.
Let’s look at some advanced uses of superscript and subscript. 💁
Superscript formatting is commonly used to display intellectual property symbols, such as ® or ©, next to a product, brand, or service name.
Using superscripts ensures these symbols are clearly visible without cluttering the text. It also helps maintain readability while ensuring the symbol doesn’t overpower the content.
When incorporating endnotes or footnotes, superscript is key for keeping the text clean and concise. When you place a superscript number next to a sentence, the reader can identify a reference or citation at the bottom of the page or in the document’s endnote section.
This is particularly helpful for academic or research-based content where footnotes provide additional context.
For mathematical expressions, superscript formatting is frequently used for exponents—denoting operations like squaring or cubing numbers.
On the other hand, subscripts help distinguish between different versions of subatomic particles, such as protons and neutrons. It’s also used in equations where variables like A₀ and A₁ represent different versions of the same quantity.
Subscripts also play a key role in showing vectors’ components, where each vector element is written with a subscript to differentiate it. This technique is frequently used in mathematical sequences, where subscripts identify specific members in the series.
In specific mathematical notations, a subscript helps display stacked fractions, where the subscript denotes the denominator of each fraction, keeping everything neatly aligned. For fractions presented diagonally, it helps align the baseline of the main text to make the fraction more readable.
Additionally, abbreviations such as ‘a/s’ (addressed to the subject) often use subscript formatting to ensure the text aligns correctly within a sentence.
Superscript denotes mass numbers or atomic numbers in elements and compounds, making these symbols easier to distinguish and read in complex chemical equations.
Ordinal numerals, like 1st or 2nd, are often formatted in superscript to indicate their position in a list or sequence. This keeps the numerals visually distinct from the body of the text, though some style guides may advise against using superscripts for this purpose.

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🧠 Fun Fact: Superscript dates back to the earliest forms of typography. It was originally used in handwritten manuscripts to indicate abbreviations, especially in religious texts. For example, the Latin ‘et al.’ (and others) often appeared in superscript.
Now that you know how to master superscript and subscript in Word using different techniques, you can elevate your documents with more polished formatting.
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