Pi Symbol Circle color filled icon
Greek letter pi centered inside a thin circle
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About the Pi Symbol Circle color filled icon
The Greek letter pi is drawn with a long flat crossbar and two legs that curve outward at the feet, centered inside a plain circular frame. It represents the mathematical constant, circle geometry and formula work in general. Useful for math learning apps, calculator keypads, engineering tool palettes, exam revision sites and Pi Day graphics.
The circle echoes the constant's meaning and gives the letter an even margin on every side, matching other round badge glyphs in the set. Pair it with sigma, infinity, square root and equals icons. Keep the stroke weight consistent so it aligns with text-based symbols.
This is the colour filled version of the pi symbol circle icon: a flat, solid-colour shape that stands out in dashboards, marketing pages and app tiles where the icon needs to carry colour meaning.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
