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Choosing the Pawfect Crate: IATA-Compliant Crate Sizing Guide

Getting the crate size right is the most common point of failure in pet air travel. Measure correctly the first time with our step-by-step A–E sizing guide.

Not sure if your measurements are right? Our team offers in-person crate fitting appointments to confirm the perfect size before you buy anything or book a flight.

Choosing the Pawfect Crate: Your Guide to IATA-Compliant Pet Travel with Across The Pond Pets

Your furry friend deserves a comfy, safe flight! To ensure their ultimate travel experience, choose a crate that meets IATA regulations and their perfect size. Measure your pet’s length (A) from nose to tail, add half their elbow-to-elbow distance (B), and voilà — you’ve got the minimum recommended crate length. For height, 2–3 inches above their head is ideal. Snub-nosed breeds need extra wiggle room, so opt for a crate one size larger.

See more on crate guidelines, watch our video on measuring your furry pal , and our crate preparation tips !

Dog Measuring Guide for Shipping from USA Airports

The 5 Measurements

All measurements are to be taken while the dog is standing tall. Measurements do not include hair.

  • Length from nose to rump
  • Height from floor to point of elbow
  • Width at the widest point of the body — flesh, not hair
  • Height from floor to top of head
  • Additional measurement required to tip of ears for erect-eared dogs

Key Rules

  • Must have 10cm space above the top of the head/ears.
  • Brachycephalic breeds must have one size larger crate than needed.
  • Double check your measurements by measuring twice.
Diagram showing how to measure a dog's length and height for crate sizing

Body length and height measurement points.

Diagram showing how to measure a dog's chest width for crate sizing

Chest width measurement at the widest point.

Correct vs. Incorrect Crate Size

Incorrect Small Crate Size

Example of an incorrectly sized small pet travel crate

The dog cannot stand fully upright — this crate would be refused at airline check-in.

Correct Crate Size

Example of a correctly sized IATA-compliant pet travel crate

Full headspace and room to turn around — IATA-compliant and ready for travel.

Not Sure What Size Crate Your Pet Needs?

Our team offers in-person crate fitting appointments to confirm the perfect size before you buy anything or book a flight.

Get a Free Pet Travel Quote
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Olympia, WA 98506
Pet Transportation Services

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+1-206-317-4515