---
title: "Sigma Icon | Free Download PNG & SVG | Sharp Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/sigma--25323
canonical_url: "https://www.streamlinehq.com/icons/download/sigma--25323"
summary: "Sharp solid icon of a bold angular Greek sigma. Used for math, summation, and formulas."
---

# Sigma icon

The Sigma icon shows a bold angular Greek sigma formed by thick diagonal and horizontal bars. Drawn in the solid style on a 24px grid, its filled geometric construction keeps the symbol clear in compact interfaces. Use it for mathematical notation, summation tools, formulas, statistics, and data analysis. It belongs to Sharp Solid set in the Sharp family.

## Preview

![Sharp solid icon of a bold angular Greek sigma. Used for math, summation, and formulas.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text-formatting/sigma-ptf1pv3mni9jkh9fwqr6c.png/sigma-tlysjf8p2zdw5v389u9cp.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Sigma
- **Type**: Icon
- **Set**: [Sharp Solid](/icons/sharp-solid-style.md) — Sharp combines pure geometry and bold structure for a brutalist, high-tech feel. The Solid variant provides filled geometric shapes for maximum impact.
- **Family**: [Sharp](/icons/sharp-sets.md) — Brutalist icons
- **Style**: Solid, Bold, Geometric, Glyph
- **Category**: Interface Essential › Text Formatting
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: sigma, summation, summation_symbol, math, formula, calculation, algebra, arithmetic, vector, geometry, formatting, format, text, arrow

## Download

- [Download Sigma on Streamline](https://www.streamlinehq.com/icons/download/sigma--25323)

## Also available in other styles

- [Sigma — Sharp Remix](/icons/download/sigma--28731.md) (Pro)
- [Sigma — Sharp Gradient](/icons/download/sigma--28008.md) (Pro)
- [Sigma — Sharp Flat](/icons/download/sigma--25487.md) (Pro)
- [Sigma — Sharp Pop](/icons/download/sigma--31671.md) (Pro)
- [Sigma — Sharp Neon](/icons/download/sigma--30716.md) (Pro)
- [Sigma — Sharp Line](/icons/download/sigma--24979.md) (Pro)
- [Sigma — Sharp Duo](/icons/download/sigma--25155.md) (Pro)

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