How to Type Phi Symbol (Φ) on Keyboard (Windows, Mac, Word, Docs)
The Phi symbol is a Greek letter used in math, physics, engineering, and science notes. You’ll most often see it as Φ (uppercase phi), but you may also see φ or ϕ in formulas (different “phi” shapes used by different fonts and math notation).
This guide shows the fastest ways to type Φ (plus the common lowercase versions) on Windows, Mac, Microsoft Word, Excel, PowerPoint, Google Docs/Sheets, iPhone/Android, and Chromebook.