What is a good font size for mobile?

A good starting point for mobile body text is 16px. It’s readable on most screens and accessible for most users.

  • Headings: Scale up based on importance (e.g., 24–32px for H1).

  • Don’t go too small: Anything under 14px becomes hard to read.

  • Test on device: Always preview fonts in real app conditions.

For scaling tips, our Typography Masterclass dives deeper into font sizing.

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