---
title: "Sigma Icon | Free Download PNG & SVG | Plump Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/sigma--25966
canonical_url: "https://www.streamlinehq.com/icons/download/sigma--25966"
summary: "Rounded solid icon of a chunky Greek capital sigma. Used for math, summation, and symbols."
---

# Sigma icon

The Sigma icon shows a chunky Greek capital sigma with broad, curved ends. Drawn in the solid style on a 48px grid for a friendly, readable silhouette. Use it for mathematics, summation controls, formulas, equations, and symbol libraries. It belongs to Plump Solid set in the Plump family.

## Preview

![Rounded solid icon of a chunky Greek capital sigma. Used for math, summation, and symbols.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text-formatting/sigma-kctrdx87ljgapvicgypd.png/sigma-9jh2sigexqk0bu2nn1bx.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Sigma
- **Type**: Icon
- **Set**: [Plump Solid](/icons/plump-solid-style.md) — Plump is 100% cute. Inspired by animated cartoons, with subtle curves and chunky shapes. The Solid variant provides filled, chunky shapes perfect for brands wanting to appear welcoming.
- **Family**: [Plump](/icons/plump.md) — Friendly icons
- **Style**: Solid, Bold, Filled, Glyph
- **Category**: Interface Essential › Text Formatting
- **Default size**: 48px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: Sigma, sigma, Summation, sum, math, symbol, statistics, Greek, letter, formula, algebra, uppercase, formatting, format, text

## Download

- [Download Sigma on Streamline](https://www.streamlinehq.com/icons/download/sigma--25966)

## Also available in other styles

- [Sigma — Plump Flat](/icons/download/sigma--26101.md) (Pro)
- [Sigma — Plump Neon](/icons/download/sigma--30972.md) (Pro)
- [Sigma — Plump Pop](/icons/download/sigma--31857.md) (Pro)
- [Sigma — Plump Duo](/icons/download/sigma--25895.md) (Pro)
- [Sigma — Plump Line](/icons/download/sigma--25585.md) (Pro)
- [Sigma — Plump Gradient](/icons/download/sigma--29834.md) (Pro)
- [Sigma — Plump Remix](/icons/download/sigma--30184.md) (Pro)

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