Recommended Crate
L (42")
Length
39"
Height
27"
Dog Size
Large
Recommended Crate Size
L
Large (42")
Fits dogs 71–90 lbs
Length
39"
Height
27"
Width
15"
Standard L crate dimensions:
Measure two dimensions: (1) Length from nose tip to tail base (not tail tip), then add 2-4 inches. (2) Height from floor to top of head or ear tips (whichever is taller) while sitting, then add 2-4 inches. Your dog should be able to stand, turn around, and lie down comfortably.
An adult Labrador Retriever typically needs a 42-inch (Large) crate. Labs average 70 lbs and 23 inches at the shoulder. With the recommended 2-4 inches of extra room, a 42" L x 28" W x 30" H crate provides ideal space for standing, turning, and lying down.
Buy the adult-size crate from the start and use a divider panel. A crate that is too large lets puppies potty in one end and sleep in the other, undermining house-training. The divider lets you expand the space as your puppy grows, saving money on multiple crates.
Standard crate sizes are: XS (18-22") for toy breeds under 10 lbs, S (24") for small breeds 11-25 lbs, M (30") for medium breeds 26-40 lbs, ML (36") for medium-large breeds 41-70 lbs, L (42") for large breeds 71-90 lbs, XL (48") for extra-large breeds 91-110 lbs, and XXL (54") for giant breeds over 110 lbs.
| Size | Length | Weight Range | Example Breeds |
|---|---|---|---|
| XS | 18-22" | Under 10 lbs | Chihuahua, Yorkie |
| S | 24" | 11-25 lbs | Dachshund, Shih Tzu |
| M | 30" | 26-40 lbs | Beagle, Cocker Spaniel |
| ML | 36" | 41-70 lbs | Border Collie, Bulldog |
| L | 42" | 71-90 lbs | Labrador, Golden Retriever |
| XL | 48" | 91-110 lbs | Rottweiler, Cane Corso |
| XXL | 54" | Over 110 lbs | Great Dane, Mastiff |
Inputs
Result
A Labrador averages 23" at the shoulder. Estimated length: 23 x 1.5 + 4 = 38.5", rounded to 39". Height: 23 + 4 = 27". Width: 23 x 0.67 = 15.4", rounded to 15". The 42" Large crate is the smallest standard size that fits.
Inputs
Result
A Cocker Spaniel averages 15" at the shoulder. Estimated length: 15 x 1.5 + 4 = 26.5", rounded to 27". Height: 15 + 4 = 19". The 30" Medium crate is the smallest standard size that fits. Since this is a puppy, use a divider panel to limit space during house-training and expand as the puppy grows.
Crate Length = (Shoulder Height × 1.5 + 4") or (Nose-to-Tail + 4")The crate length should accommodate the full body length of the dog plus 2-4 inches of extra room. When using breed data, body length is estimated as shoulder height times 1.5.
Where:
Shoulder Height= Height from floor to top of shoulder blade (withers) in inches1.5= Multiplier to estimate body length from shoulder height4"= Extra clearance for comfort (2-4 inches typical)Crate Height = Shoulder Height + 4"The crate height should allow the dog to stand naturally without crouching. Add 2-4 inches above the shoulder height to account for the head.
Where:
Shoulder Height= Height from floor to top of shoulder blade in inches4"= Extra clearance so the dog can stand uprightStandard Size = smallest standard crate where Length ≥ Recommended LengthAfter calculating the ideal dimensions, the calculator matches to the nearest standard crate size that fully accommodates the dog. Standard sizes range from XS (18-22") to XXL (54").
Where:
Standard Size= The commercial crate size label (XS through XXL)Recommended Length= The calculated minimum crate length neededA properly sized crate gives your dog a safe, comfortable den while aiding house-training and travel. The crate should be large enough for your dog to stand without crouching, turn around fully, and lie down stretched out, but not so large that they can use one end as a bathroom.
The most reliable sizing method is measuring your dog directly. Measure from nose to tail base for length and from floor to the top of their head or ears for height, then add 2-4 inches to each dimension. For travel, add an extra 2 inches for safety.
If you have a puppy, invest in the adult-size crate with a divider panel. This lets you adjust the usable space as your puppy grows, maintaining the snug fit needed for effective house-training while avoiding the cost of buying multiple crates.
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Last Updated: Mar 9, 2026
This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.