How big will my Corgi get?
A Corgi's growth is easy to misread if you compare it against a generic dog weight chart, because this is a short-legged, long-bodied breed built very differently to the average dog the same weight is charted against. Most adult Pembroke Welsh Corgis settle between 10 and 14kg, and Cardigan Corgis run slightly heavier, but the number on the scale tells you less about this breed than it does about most.
Why Corgis look different on a chart than they do in the room
A Corgi's short legs and long back mean the breed carries its weight very differently to a dog built with more typical proportions. Two dogs at the same weight, one a Corgi and one a leggier breed, will look completely different in body condition, which is why comparing a Corgi purely against a generic weight-for-age chart can be misleading either way.
This body shape is also part of why keeping a Corgi at a healthy weight matters more than it might for some breeds. The long spine is already under more strain than a shorter-backed dog's, and carrying extra weight adds to that in a way owners do not always connect to the breed's distinctive shape.
What to track instead of a single number
A body condition check, feeling for the ribs under light pressure and looking for a visible waist from above, tells you more about a Corgi's weight than the number on the scale alone. Given how differently this breed carries weight, two Corgis at different weights can both be a healthy shape, and two at the same weight can be quite different.
Weigh your Corgi regularly and track the trend over time rather than a single reading, and ask your vet to check body condition at routine visits if you are ever unsure what a healthy shape looks like on your own dog.
When growth is worth flagging to a vet
A puppy who gains weight noticeably faster than their own previous trend, or one who plateaus unexpectedly, is worth mentioning to a vet rather than waiting it out — particularly for a breed where extra weight puts more strain on the back than it would on a more typically proportioned dog.
It is also worth asking your vet to check hip and joint health at routine visits as your Corgi matures, given the combination of a long spine and short legs this breed carries. Catching a developing issue early tends to give far more options than waiting until it becomes obvious in how the dog moves.
Common questions
- How much should a Corgi weigh?
- Most adult Pembroke Welsh Corgis weigh between 10 and 14kg, with Cardigan Corgis typically a little heavier. Because the breed is short-legged and long-bodied, body condition matters more than the exact number, so ask your vet to check this directly if you are unsure.
- At what age is a Corgi fully grown?
- Most Corgis reach their adult height by around 10 to 12 months, though they can continue to fill out slightly for a few more months after that. Growth slows gradually rather than stopping suddenly.
- Why does my Corgi look overweight even though the scale seems normal?
- Corgis carry weight differently because of their short-legged, long-bodied build, so the number on a scale does not always match what a generic chart suggests it should look like. A vet checking body condition directly is more reliable than comparing your dog to an average.
- Is extra weight more of a problem for Corgis than other breeds?
- It can be, because the breed's long spine is already under more strain than a more typically proportioned dog's. Keeping a Corgi at a healthy weight is one of the more useful things an owner can do for this breed's long-term comfort.
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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.