Last updated: March 2, 2026

How to Count Characters for Social Media

Formula

Character limits vary by platform: Twitter/X is 280, SMS is 160, Instagram bio is 150.

Knowing your character count helps you craft messages that fit within platform limits.

Common use cases:

  • Stay within Twitter 280-character limit
  • Craft SMS under 160 characters
  • Check LinkedIn or Instagram bio length

Frequently Asked Questions

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