ETT Size Calculator

Calculate appropriate endotracheal tube (ETT) size for intubation. Determine ETT size based on age, height, or weight. This is an educational tool only - always consult a healthcare provider.

Patient Information

Results

Enter patient information to calculate ETT size

About ETT Size

  • • Pediatric: (Age + 16) ÷ 4
  • • Adult: Based on height and gender
  • • Always have one size smaller available
  • • Clinical judgment is essential