Chemical Formula Input
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Subscript Output
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Generate chemical formulas with proper Unicode subscript notation instantly. Create H₂O, CO₂, H₂SO₄, NaCl, and molecular formulas for chemistry homework, lab reports, and science projects. Free, copy-paste ready.
The most searched chemical subscript formulas globally are H₂O (water), CO₂ (carbon dioxide), H₂SO₄ (sulfuric acid), NaCl (table salt), and C₆H₁₂O₆ (glucose).
Chemical formula subscripts use Unicode code points U+2080–U+2089 from the Superscripts & Subscripts block — not fonts or formatting, so they work in plain text everywhere.
This tool works in Google Slides, Canva, Notion, chemistry apps, and anywhere you paste text — perfect for digital science posters and presentations.
Common questions about chemical formula subscripts, Unicode notation, and using this tool for science homework.
Type H2O into the chemistry subscript generator above. The tool instantly converts the '2' to its Unicode subscript equivalent ₂ (U+2082), producing H₂O. Click Copy and paste it into Google Docs, lab reports, science homework, Microsoft Word, or any text field. Works on Windows, Mac, iOS, Android, and Chromebook without any special software or keyboard shortcuts.
Yes — this chemistry subscript generator is completely free with no sign-up, no download, and no usage limits. Type any chemical formula (H₂O, CO₂, H₂SO₄, NaCl, C₆H₁₂O₆, CH₄, NH₃) and it converts the numbers to proper Unicode subscript characters instantly. The periodic table keyboard lets you click elements to build molecular formulas without typing. For general subscript beyond chemistry, use our main Subscript Generator.
Subscript digits for chemical formulas use these Unicode code points from the Superscripts and Subscripts block (U+2070–U+209F): ₀ (U+2080), ₁ (U+2081), ₂ (U+2082), ₃ (U+2083), ₄ (U+2084), ₅ (U+2085), ₆ (U+2086), ₇ (U+2087), ₈ (U+2088), ₉ (U+2089). These are actual UTF-8 code points that work as plain text in all environments — not fonts or formatting that only work in specific software.
Yes. Generate your chemical formula using this tool, copy it, and paste directly into any Google Slides text box. The Unicode characters paste as plain text and render correctly without using Format → Text → Subscript or any menu option. This also works in Google Docs (for lab reports), Google Sheets (for chemistry data tables), Microsoft PowerPoint, Canva (for science posters), and Notion (for study notes). Read our full guide: How to add subscript in Google Docs.
Type CO2 into this chemistry subscript generator. The tool converts '2' to ₂ (Unicode U+2082), producing CO₂. Copy and paste into any environment — email subject lines, Google Docs, Notion, lab report templates, chemistry apps, social media posts about science, or plain text files. No Microsoft Word, LaTeX, or desktop software required. The Unicode subscript character works universally as plain text.
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