What Is a Subscript Text Generator?

Quick answer: subscript text sits slightly below the baseline, like the 2 in H₂O. A subscript text generator replaces digits and certain letters with dedicated lowered Unicode characters, so chemical formulas and math indices keep their shape in emails, chats, spreadsheets, and social posts.

Scientists write a formula such as CO₂ hundreds of times a week, and most of those places, from a group chat to a slide comment, offer no way to lower a number. Lowered digits ₀ to ₉ exist as their own characters in Unicode, along with a handful of letters, which is what this page uses.

The real time saver is the chemistry formatter. Type an equation the way you would on a calculator, for example C6H12O6 + 6O2 -> 6CO2 + 6H2O, and it places every subscript, keeps coefficients full size, turns charges into superscripts, converts arrows, joins hydrates with a raised dot, and works out the molar mass of each compound. A second utility handles math written in LaTeX format, turning x_1 and a_{n+1} into x₁ and aₙ₊₁.

• 17 Letters with a subscript form
• 15 Lowered digits and signs
• 58 Elements in the molar mass table

How Do You Write Subscript Online?

1. Type your formula or text: Plain digits are fine: CO2, x1, or C6H12O6.
2. Choose a style: Chemical Formula, an index such as n, a number base, or a low frame.
3. Format longer work: Paste a whole equation into the chemistry formatter or LaTeX-style math into the index converter.
4. Copy the result: The lowered characters stay lowered wherever you paste them.

How Should Chemical Formulas Be Written?

Chemical notation has strict conventions, and mixing them up changes the meaning of a formula. The formatter applies these rules for you.

Part	Position	Example	Meaning
Subscript	Lowered, after the symbol	H₂O	Two hydrogen atoms in one molecule
Coefficient	Full size, before the formula	2H₂O	Two whole molecules
Charge	Raised, after the formula	SO₄²⁻	An ion carrying two extra electrons
Mass number	Raised, before the symbol	¹⁴C	The carbon-14 isotope
Hydrate	Raised dot between parts	CuSO₄·5H₂O	Five water molecules bound in the crystal
Equilibrium	Double arrow	⇌	The reaction runs both ways

Which Letters Have a Subscript Version?

Unicode lowers just seventeen Latin letters: the vowels a, e, i, o and u, plus h, j, k, l, m, n, p, r, s, t, v and x. They were added for phonetics and Uralic linguistics, not for math, so b, c, d, f, g, q, w, y and z remain missing, and there are no subscript capitals at all. All ten digits plus ₊ ₋ ₌ ₍ ₎ are complete, which covers every chemical formula.

Who Uses Subscript Text?

• Students and teachers: formulas in shared notes, online quizzes and discussion boards.
• Lab and safety documents: compound names in spreadsheets and plain-text labels.
• Climate and energy writers: CO₂, CH₄ and NOₓ in articles and social posts.
• Programmers and engineers: number bases such as 1010₂ and FF₁₆ in comments.
• Statisticians: indexed variables such as x₁, x₂ and βₙ in quick explanations.
• Brands and creators: playful bios like “powered by H₂O” without an image.

Subscript Vocabulary

Baseline

The invisible line letters sit on; subscripts drop below it.

Inferior figure

The typographer’s name for a small lowered numeral.

Molar mass

The mass of one mole of a substance in grams, found by adding atomic masses.

Ion

An atom or group with an electric charge, shown raised as ⁺ or ⁻.

Index

A lowered label that tells similar variables apart, as in x₁ and x₂.

Radix

The base of a number system, written as a subscript such as 1010₂.

What Can This Subscript Tool Do?

Equation formatter

Subscripts, charges, arrows, and hydrate dots.

Molar mass

Grams per mole for every compound you type.

Index converter

x_1 and a_{n+1} written the LaTeX way.

Character chart

Code points for every lowered character.

Number bases

Binary, octal, decimal and hex labels.

Low frames

Nine decorative frames for tiny text.

Typing up a reaction?

Paste the whole equation and get it balanced on the page, with molar masses.

⚗ Open the Chemistry Formatter 

How Do I Type Subscript in Word, Docs and LaTeX?

Program	Method	Survives pasting elsewhere?
Microsoft Word, Windows	Ctrl + =	No, it is formatting
Microsoft Word, Mac	Cmd + =	No
Google Docs	Ctrl + , (Cmd + , on Mac)	No
LaTeX	x_1 or x_{12}	Only inside LaTeX
HTML	The sub tag	Only on web pages
This generator	Copy Unicode characters	Yes, everywhere

Why Is My Subscript Not Working?

Problem	Reason	Solution
Some letters did not drop	b, c, d, f, g, q, w, y and z have no subscript	Use a digit index or keep the underscore form
The coefficient became small	A number after a letter is treated as a subscript	Put coefficients before the formula, as in 2H2O
SO42- came out wrong	The tool cannot tell the 4 from the charge	Write SO4^2- with a caret
Molar mass shows an error	Lowercase symbol or unknown element	Capitalise symbols correctly, for example Co, not CO
Lowered letters look uneven	Their glyphs were added in separate batches, so fonts draw them unevenly	Lower digits only for a tidier look

Tips for Accurate Formulas

Mind capital letters

Co is cobalt, CO is carbon monoxide; the formatter trusts your capitals.

Use brackets for groups

Ca(OH)2 lowers the 2 after the bracket and counts both atoms twice.

Check the mass

A molar mass that looks odd usually points to a typing slip.

Keep raw text too

Plain CO2 is easier to search for, so include it once in long posts.

Subscript FAQ

What does subscript mean?

It means characters set smaller and lower than the main line of text, as in the 2 of H₂O or the 1 of x₁.

Which style turns H2O into H₂O?

Type H2O into the box and copy the Chemical Formula style; the result is H₂O.

Can I format a full chemical equation at once?

Yes. Paste it into the chemistry formatter; subscripts, coefficients, arrows, charges, and hydrates are all handled.

How is molar mass calculated here?

Each element’s standard atomic weight is multiplied by its count, including bracketed groups and hydrate water, then added up.

Why can’t I get a subscript b or c?

Unicode never encoded subscript b, c, d, f, g, q, w, y, or z, so no tool can produce a genuine version.

Are there subscript capital letters?

No. Only lowercase subscript letters exist, so capitals stay full size.

How do I show an ion charge like Ca2+?

Type Ca2+ and the formatter raises the charge to give Ca²⁺. For groups, write SO4^2-.

What does the raised dot in CuSO₄·5H₂O mean?

It joins a salt to the water molecules locked in its crystal, called water of crystallisation.

How do I convert x_1 to x₁?

Paste the math into the index converter. It reads x_1, x_{12} and a_{n+1} like LaTeX does.

What is the keyboard shortcut for subscript in Word?

Ctrl and the equals key on Windows, or Cmd and equals on a Mac.

What is the keyboard shortcut for subscript in Google Docs?

Ctrl and the comma key, or Cmd and comma on a Mac.

Will subscript work in Excel or Google Sheets?

Yes. Pasted Unicode subscripts stay lowered inside a cell, which is useful for column headers such as CO₂ (ppm).

Can I use subscript on Instagram or X?

Yes. Digits look especially clean; lowered letters are supported by current phones.

How do I write number bases such as binary?

Use the Binary Base 2 or Hexadecimal Base 16 styles to add ₂ or ₁₆ after a number.

Do coefficients ever become subscript?

Not when placed before a formula. The formatter keeps 2 in 2H₂O full size.

How do I write an isotope such as carbon-14?

Type C-14 into the chemistry formatter, and it outputs ¹⁴C with the mass number raised.

Is subscript the same as a footnote?

No. Footnote markers are raised, which makes them superscript.

Which elements does the molar mass table include?

The 58 most common, from hydrogen to uranium, covering school and most lab chemistry.

Can screen readers read subscript digits?

Most read them as ordinary numbers, but lowered letters may be announced oddly, so keep them short.

Is any of my chemistry saved or shared?

No. Formulas stay inside this browser tab and disappear once it closes.

Does the subscript generator cost money?

No. The styles, formatter, molar mass calculator, and chart are all free without signing up.

Write Perfect Subscripts and Formulas

H₂O · CO₂ · xₙ₊₁

Correct chemistry notation and math indices that paste cleanly anywhere. ₂ Start Writing Subscript