Pet Travel Crate Size Calculator (IATA)

Minimum airline crate size for your dog or cat using the IATA formula.

Instant results✓ Source-backed
1

Enter your pet's details

Auto-fill from:Save a pet profile
?

How this is calculated

Airlines follow the IATA Live Animals Regulations: your pet must be able to stand, turn around and lie down naturally. Measure with your pet standing. Always confirm your airline's own rules and choose the next crate size up.

Source-based educational tool; not independently reviewed by a veterinarian. Cited guidance does not imply endorsement by its authors.

Formula

Length = A + ½B
Width = C × 2
Height = D

Assumptions

  • •IATA Container Requirement 1 (dogs and cats)
  • •Measured with the pet standing naturally
  • •Airlines may set stricter limits for snub-nosed breeds

Related calculators