Free tool · inches or centimeters
Dog Crate Size Chart & Calculator
What size crate for my dog? Dog crate sizes run from 18 to 54 inches long. Measure your dog nose to tail base and floor to head, add a few inches, and compare the result with the crate size chart below, then check the exact crate before buying. Breed, weight and the number on the box cannot confirm a comfortable fit.
Measure first: enter body length and standing height without adding extra inches. We add a clearly stated planning allowance. The result is a shopping aid, not a guarantee of fit or suitability for travel.
Reviewed October 26, 2026 · Research-based guidance; no physical crate testing
Enter both measurements to see an estimate. No account or email needed.
Measure, then check the actual crate
- Measure your standing dog from nose to tail base, and from floor to head.
- Compare the estimate with the manufacturer’s usable interior dimensions, not shipping dimensions.
- Check width, doorway, bedding and any divider. Confirm comfortable standing, turning and resting in person.
MidWest recommends adding a few inches to body measurements. This tool uses 4 inches as a planning allowance; follow the chosen manufacturer’s instructions if they differ. For a puppy, a suitable divider can let you adjust the space as the dog grows.
Dog crate size chart (18 to 54 inches)
Standard dog crate sizes are named by length. The “dog up to” columns subtract this calculator’s 4-inch planning allowance from MidWest’s listed iCrate dimensions; the weight and breed columns are PetSmart’s crate chart. Listed dimensions are not usable interior space, so treat every figure as a starting point.
| Crate size | Dog length up to | Dog height up to | PetSmart size and weight limit | PetSmart example breeds | MidWest iCrate listed L × W × H |
|---|---|---|---|---|---|
| 18-inch | 13.7 in | 10.2 in | Extra small, up to 15 lb | Dachshund (miniature), Maltese, Pekingese | 17.7 × 11.7 × 14.2 in |
| 22-inch | 18.5 in | 12 in | Small, up to 25 lb | Cavalier King Charles, French Bulldog, Scottish Terrier | 22.5 × 14 × 16 in |
| 24-inch | 19.6 in | 15.1 in | Medium, up to 30 lb | Beagle, Miniature Schnauzer, Welsh Corgi | 23.6 × 16.7 × 19.1 in |
| 30-inch | 25.7 in | 17 in | Intermediate, up to 50 lb | Cocker Spaniel, Shetland Sheepdog, Border Collie | 29.7 × 18.6 × 21 in |
| 36-inch | 32.6 in | 20.5 in | Extra large, up to 90 lb+ | German Shepherd, Golden Retriever, Labrador Retriever | 36.6 × 21.9 × 24.5 in |
| 42-inch | 37.9 in | 26.3 in | Not listed | — | 41.9 × 29.5 × 30.3 in |
| 48-inch | 43.8 in | 27.7 in | Not listed | — | 47.8 × 29.6 × 31.7 in |
| 54-inch | — | — | Not listed | — | Not listed (MidWest XX-Large series) |
Size names are not standard. PetSmart’s medium size dog crate is 24 inches long with a 30 lb weight limit, its 30-inch is called Intermediate, and it also lists a 32-inch Large (up to 70 lb: Chow Chow, Samoyed, Whippet). PetSmart’s chart stops at 36 inches; MidWest’s iCrate runs to 48 inches, and its 54-inch size is the Solutions XX-Large heavy-duty crate. Weight is the weakest guide: two dogs of the same weight can need different crate shapes, so measure.
Chart sources read 2026-10-26: MidWest iCrate sizes and PetSmart crate & carrier size chart.
Common size labels
The calculator above compares your estimate with these approximate nominal examples. They are not verified interior measurements, and dimensions vary by model.
| Size label | Example L × W × H (inches) |
|---|---|
| 22-inch | 22 × 13 × 16 |
| 24-inch | 24 × 18 × 19 |
| 30-inch | 30 × 19 × 21 |
| 36-inch | 36 × 23 × 25 |
| 42-inch | 42 × 28 × 30 |
| 48-inch | 48 × 30 × 33 |
Before using a crate
Comfort with confinement is separate from sizing. Follow your rescue’s or trainer’s guidance. This calculator does not decide how long to crate a dog, treat distress, or certify a crate for air or car travel.
Sources and limits
- MidWest: measuring your dog and using a divider.
- MidWest iCrate: available nominal sizes and listed dimensions.
- PetSmart: crate & carrier size chart (size labels, weight limits, example breeds).
We first reviewed the MidWest pages on October 4, 2026 and re-read them, with PetSmart’s chart, on October 26, 2026. PawBench has not measured the interior of each crate model. Check the current specifications with the manufacturer.