Compliant with IATA Live Animals Regulations (LAR)

Pet Container Size Calculator

Ensure your pet's safe, comfortable, and fully regulatory-compliant air travel. Calculate internal crate dimensions based on exact anatomical measurements following PetAirport Air Measure Guidelines and IATA standards.

Natural Standing Clearance Multi-Pet Configurations Brachycephalic +10% Rule

DIMENSION A

Length of Pet

Tip of the nose to the base of the tail (excluding tail length). Formula: A + ½B

DIMENSION B

Elbow Height

Floor to the elbow joint. Determines leg clearance and minimum container height addition.

DIMENSION C

Body Width

Widest point across the shoulders. Single pet width = C × 2 (allows full 360° turn).

DIMENSION D

Standing Height

Floor to top of head or upright ears (whichever is highest). Height = D + clearance

Pet & Crate Parameters

Enter your pet's precise standing measurements in centimeters.

Quick Preset Breeds (Optional)

Length (A): Nose to base of tail * 70 cm

Measure from tip of the nose to the base of the tail bone.

Elbow Height (B): Floor to elbow joint * 25 cm

Used to calculate container length: A + ½B

Body Width (C): Widest point across shoulders * 30 cm

Width across both shoulders. For single pets, container width is C × 2.

Standing Height (D): Floor to top of head/ears * 68 cm

Pet standing naturally. Container height accommodates head clearance + bedding.

Number of Pets in Crate

Snub-Nosed / Brachycephalic Adds +10% mandatory space (Bulldogs, Pugs, Cats etc.)

IATA LAR Specification

Skybox Series #500 (Extra Large)

Fully Compliant

Required Internal Dimensions

102 × 69 × 76 cm

Formula: Length (82.5cm) × Width (60cm) × Height (76cm)

Min External Approx

112 × 79 × 84 cm

Estimated Weight Class

35 - 50 kg Pet

Container Visualization Model

IATA APPROVED

102 x 69 x 76 cm

Rigid Plastic / Fiberglass

Must feature secure spring-loaded locking pins, water bowls fixed inside, and ventilation on all 4 sides.

View Official Guide

Crucial IATA LAR Checklist

Natural Posture: The pet must be able to stand erect without touching the top, turn around easily, and lie down in a natural position.
Hardware: Metal nuts and bolts must secure the top and bottom halves together. Plastic snap-locks alone are prohibited by airlines.
Water & Food: Separate, accessible dishes must be attached inside the kennel with outside refill capability.

Standard IATA Container Series Reference

Reference guide corresponding to standard commercial airline cargo skybox sizes.

Series / Size	Typical Interior Dimensions (L × W × H)	Typical Pet Weight	Example Breeds
Series #100 (Small)	53 × 41 × 38 cm	Up to 10 kg	Chihuahua, Pomeranian, Cat
Series #200 (Medium)	71 × 52 × 54 cm	10 - 20 kg	French Bulldog, Beagle, Cocker Spaniel
Series #300 (Intermediate)	81 × 57 × 60 cm	20 - 30 kg	Border Collie, Boxer, Bulldog
Series #400 (Large)	91 × 61 × 66 cm	30 - 40 kg	Standard Poodle, Boxer, Pitbull
Series #500 (Extra Large)	102 × 69 × 76 cm	35 - 50 kg	Labrador, Golden Retriever, German Shepherd
Series #700 (Giant)	122 × 81 × 89 cm	50 kg+	Great Dane, Mastiff, Newfoundland