Pi Symbol Circle black outline icon
Greek letter pi centered inside a thin circle
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About the Pi Symbol Circle black outline 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 black outline version of the pi symbol circle icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
