---
title: "Sigma Icon | Free Download PNG & SVG | Core Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/sigma--23707
canonical_url: "https://www.streamlinehq.com/icons/download/sigma--23707"
summary: "Bold solid icon of a capital sigma with rounded horizontal bars and angled center. Used for math, sums, and equations."
---

# Sigma icon

The Sigma icon shows a bold capital sigma formed by rounded horizontal bars connected by diagonal segments. Drawn in the solid style on a 14px grid so it stays legible at small sizes. Use it for summation tools, mathematical formulas, equations, statistics, and science interfaces. It belongs to Core Solid set in the Core family.

## Preview

![Bold solid icon of a capital sigma with rounded horizontal bars and angled center. Used for math, sums, and equations.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text-formatting/sigma-a6grnryctwrv1dizh4e1nn.png/sigma-7ejeqe7jnemv72cnpe80na.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Sigma
- **Type**: Icon
- **Set**: [Core Solid](/icons/core-solid.md) — Core is the Helvetica of icons. The Solid variant provides filled shapes for a bolder, more impactful appearance while maintaining legibility at small sizes.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Solid, Minimal, Glyph, Wireframe
- **Category**: Interface Essential › Text Formatting
- **Default size**: 14px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: sigma, sum, formula, chevron, format, formatting, triangle, arrow, video, media, control, text, pointer, play, forward, start

## Download

- [Download Sigma on Streamline](https://www.streamlinehq.com/icons/download/sigma--23707)

## Also available in other styles

- [Sigma — Core Remix](/icons/download/sigma--28915.md) (Pro)
- [Sigma — Core Line](/icons/download/sigma--23567.md) (Pro)
- [Sigma — Core Neon](/icons/download/sigma--30586.md) (Pro)
- [Sigma — Core Gradient](/icons/download/sigma--28293.md) (Pro)
- [Sigma — Core Flat](/icons/download/sigma--23958.md) (Pro)
- [Sigma — Core Duo](/icons/download/sigma--24040.md) (Pro)
- [Sigma — Core Pop](/icons/download/sigma--31486.md) (Pro)

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