What size crate for a Jack Russell?
Most adult Jack Russell Terriers fit comfortably in a crate somewhere between 61cm and 76cm long, but the right size for your dog comes from measuring them directly rather than relying on a breed-average figure, since Jack Russells vary noticeably in size from one dog to the next.
How to measure your dog properly
Measure your Jack Russell from the tip of their nose to the base of their tail while they're standing naturally, then add around 10cm to that figure for the crate's internal length — that gives them room to stand, turn around and lie fully stretched out without feeling cramped. Measure height from the floor to the top of their head or ears when sitting alert, and add a similar margin for crate height.
Jack Russells vary more in size than some breeds, generally ranging from around 5 to 8kg, so a dog at the smaller end of that range may be comfortably housed in a crate nearer 61cm, while a larger individual may need closer to 76cm. Measuring your specific dog beats assuming from the breed name alone.
Getting the size right matters both ways
A crate that's too small doesn't let a dog stand, turn or lie stretched out comfortably, which makes it an unpleasant space rather than the secure den a properly sized crate should feel like. A dog who associates their crate with feeling cramped is far less likely to settle in it willingly.
A crate that's too large, particularly for a puppy being crate-trained, can undermine toilet training, since a Jack Russell puppy with plenty of spare space may use one end as a toilet and sleep at the other. Many crates come with a divider panel specifically to solve this, letting you section off extra space while your puppy is small and remove it as they grow.
Puppy sizing and growing into it
If you're buying for a Jack Russell puppy, either buy a crate sized for their expected adult measurements and use a divider to reduce the usable space while they're small, or expect to size up once or twice as they grow. Buying the eventual adult size from the start, with a divider, is usually the more economical route over a puppy's first year.
Whichever you choose, introduce the crate gradually with positive associations — meals, treats, a comfortable bed — rather than using it only when your dog is being left alone, so it becomes a place they choose to settle rather than one they associate only with separation.
The sizes we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Ice-Silk Cooling Dog Bed with Bolster Edge
A breathable ice-silk cooling bed with a soft bolster edge and a cool-touch centre panel that helps your dog stay comfortable through warm weather. No need to freeze or refrigerate, it cools naturally on contact.
From£12.99
L-Shaped Bolster Sofa Dog Bed
A supportive L-shaped sofa bed with a raised bolster back and side for your dog to rest their head. The thick padded base cushions joints, and the soft rose-velvet cover is removable and washable for easy care.
From£44.99
Plush Checkered Dog Car Back Seat Bed
A quilted checkered car bed that turns the back seat into one flat, cosy platform for your dog.
From£11.99
Front-Facing Legs-Out Pet Carrier Backpack
A breathable front-carry backpack that holds your small dog or cat facing outward, legs through the openings. Padded adjustable straps and a secure buckle keep them comfortable on walks and rides.
From£8.99
Common questions
- What crate size is right for an adult Jack Russell?
- Most adult Jack Russells suit a crate roughly 61 to 76cm long, but the reliable way to choose is measuring your own dog nose to tail and adding around 10cm, since individual Jack Russells vary noticeably in size within the breed.
- Should I buy a puppy-sized crate or the adult size from the start?
- Buying the adult size with a divider panel is usually more economical over the long run, since it lets you reduce the usable space while your puppy is small and expand it as they grow, avoiding the cost of buying two or three crates as they mature.
- How do I stop my Jack Russell puppy toileting in a large crate?
- Use a divider panel to reduce the crate to a size just big enough to stand, turn and lie down in, since too much spare space is what allows a puppy to toilet at one end and sleep at the other. Remove the divider gradually as your puppy grows and reliably keeps the space clean.
- Can a crate be too big for a dog?
- Yes, particularly during toilet training, where excess space can undermine the natural instinct not to soil a sleeping area. Outside of training, a slightly generous crate isn't harmful for an adult dog, but sizing it close to your dog's actual measurements usually makes it feel more like a secure den.
Related
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Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.