---
title: "H2 Icon | Free Download PNG & SVG | Heroicons Outline"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/h2--29180
canonical_url: "https://www.streamlinehq.com/icons/download/h2--29180"
summary: "Clean line icon of the letter H with a small subscript 2. Used for chemical formulas, hydrogen, and science interfaces."
---

# H2 icon

The H2 icon shows a capital H with a smaller subscript 2 at the lower right. Drawn in the line style on a 16px grid with a 1.5px stroke so it stays crisp and readable. Use it for hydrogen labels, chemical formulas, science education, laboratory tools, and chemistry interfaces. It belongs to Heroicons Outline free set in the Heroicons family.

## Preview

![Clean line icon of the letter H with a small subscript 2. Used for chemical formulas, hydrogen, and science interfaces.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/all-icons/h2-t9w5qqltjkab5sedkn0pk9.png/h2-5h736ygcz84imtl10b9wq.png?_a=DATAiZkSZAA0)

## Details

- **Name**: H2
- **Type**: Icon
- **Set**: [Heroicons Outline](/icons/heroicons-outline.md) — Heroicons is a free and open source icon set created by Tailwind Labs.
- **Family**: [Heroicons](/icons/heroicons.md)
- **Style**: Line, Stroke, Minimal
- **Category**: All Icons › All Icons
- **Default size**: 24px
- **Stroke width**: 1.5px
- **Pricing**: Free
- **License**: [MIT](https://github.com/tailwindlabs/heroicons/blob/master/LICENSE)
- **Author**: [Heroicons](https://heroicons.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: hydrogen, H2, diatomic, molecule, gas, element, chemistry, science, bond, compound

## Download

- [Download H2 on Streamline](https://www.streamlinehq.com/icons/download/h2--29180)

## Also available in other styles

- [H2 — Heroicons Micro](/icons/download/h2--33262.md) (Free)
- [H2 — Heroicons Mini](/icons/download/h2--33261.md) (Free)
- [H2 — Heroicons Solid](/icons/download/h2--29181.md) (Free)

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