📐 Your dog's measurements

Body length (inches — nose tip to base of tail) Standing height (inches — floor to top of head/ears) Weight (lb) Main use

Long-backed or deep-chested breed

Dachshund, Basset Hound, Greyhound, Corgi, etc.

Still-growing puppy

We'll suggest buying the adult size with a divider panel instead

Recommended crate size

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Min. interior length

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Weight-based estimate

18"30"42"54"

This is a general size estimate rounded to standard retail crate sizes (18–54"). Exact interior dimensions vary slightly between manufacturers — always check the specific product's listed dimensions before buying.

🏷️ Which crate type fits your use case

●Wire crate — best ventilation and visibility, foldable, usually includes a divider panel for puppies. Best for home use and house-training.

●Plastic airline-style crate — required by most airlines (check IATA rules for your carrier), more den-like and secure for car travel or anxious dogs.

●Soft-sided crate — lightweight and portable, but only appropriate for calm, already crate-trained adult dogs — not for puppies or dogs that chew or scratch at barriers.

🏆 Why this calculator is different

📏Uses actual body measurements, not just weight or breed name — most calculators ask for breed or weight alone; length and height together catch outliers weight-only charts miss.
⚖️Cross-checks length against weight — long-backed breeds (Dachshunds, Corgis) and lean deep-chested breeds (Greyhounds) often get the wrong size from weight alone; this flags the mismatch instead of hiding it.
📦Rounds to real, purchasable sizes — 18/22/24/30/36/42/48/54 inches, the actual sizes crates are sold in, not a vague "Medium" that doesn't map to a product.
✈️Recommends crate type by use case — home, travel or calm-adult — since a wire crate and an airline-approved plastic crate solve different problems, and most tools skip this entirely.
🐶Puppy-aware — suggests buying the adult size with a divider panel instead of a size your puppy will outgrow in months.
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❓ Frequently asked questions

What size dog crate do I need?

Measure your dog's body length (nose to base of tail) and standing height (floor to top of head), add 2–4 inches to each, and round up to the nearest standard crate size — 18, 22, 24, 30, 36, 42, 48, or 54 inches. Weight alone can be misleading for long-backed or deep-chested breeds.

Should I buy a crate sized for my puppy now or their adult size?

Buy the adult size with a removable divider panel. You'll only need to buy one crate, and you can expand the usable space every few weeks as your puppy grows, instead of upgrading crates multiple times.

Can a dog crate be too big?

Yes — too much extra space can let a dog use one end as a "bathroom" and the other to sleep, which undermines house-training. The crate should be just large enough to stand without ducking, turn around fully, and lie flat.

What size crate do airlines require?

Requirements vary by airline, but most require an IATA-compliant plastic crate sized so your dog can stand, turn around, and lie down naturally — always confirm exact dimensions with your specific airline before flying.

📦 Dog Crate Size Calculator