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Ragdoll Cat Weight by Age Full Guide

In the world of larger domestic cats, there are a lot of big and beautiful breeds to choose from, but they aren’t all as giant as each other. With that in mind, how big do Ragdoll cats get and how much do they weigh?

Ragdoll cats are a medium-large breed and most fully grown adults will weigh between 10 and 20 pounds. Usually, male Ragdolls are larger and heavier than females, but this is not always the case. They generally grow quite slowly and typically don’t reach full maturity until around 4 years of age. Each individual is unique, though, and they can grow quite differently.

Read ahead in this article to find out all you need to know when it comes to how much Ragdoll cats are likely to weigh as they grow up from kittens into fully-fledged adults.

Ragdoll Cat Weight by Age

Ragdoll Cat Weight by Age Chart

Ragdolls are not the largest breed of domestic cat in the world, but they can certainly get pretty big. They are beautiful and quite impressive animals that often keep growing for a lot longer than you might expect. Although they might start life as cute kittens, before you know it, they can start taking up a considerable amount of room in the house!

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Let’s take a look at how much a Ragdoll cat might weigh as they reach the important milestones in their life.

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Ragdoll Cat Weight by Age
AgeMaleFemale
3 Months1.5 – 2.2 kg (3.3 – 4.8 lbs)1.3 – 2.0 kg (2.9 – 4.4 lbs)
4 Months2.5 – 3.5 kg (5.5 – 7.7 lbs)2.3 – 3.0 kg (5.0 – 6.6 lbs)
5 Months3.2 – 5.0 kg (7.0 – 11 lbs)2.5 – 3.5 kg (5.5 – 7.7 lbs)
6 Months3.5 – 5.5 kg (7.7 – 12.1 lbs)2.7 – 4.0 kg (6.0 – 8.8 lbs)
7 Months3.7 – 6.0 kg (8.2- 13.2 lbs)2.9 – 4.5 kg (6.4- 10 lbs)
8 Months3.9 – 6.5 kg (8.6 – 14.3lbs)3.0 – 5.0 kg (6.6 – 11 lbs)
9 Months4.0 – 7.0 kg (8.8 – 15.4 lbs)3.1 – 5.5 kg (6.8 – 12.1 lbs)
10 Months4.1 – 7.5 kg (9.0 – 16.5 lbs)3.2 – 6.0 kg (7.0 – 13.2 lbs)
11 Months4.2 – 8.0 kg (9.3 – 17.6 lbs)3.3 – 6.2 kg (7.3 – 13.7 lbs)
1 Year4.3 – 8.5 kg (9.5 – 18.7 lbs)3.4 – 6.4 kg (7.5 – 14.1 lbs)
3 Years4.4 – 9.0 kg (8.8 – 19.8 lbs)3.5 – 6.6 kg (7.7 – 14.6 lbs)
4 Years4.5 – 10 kg (10 – 22 lbs)3.6 – 6.8 kg (8.0 – 15 lbs)

These numbers are not exact figures – they are only averages that give an impression of what you might expect from a Ragdoll cat as they grow. Some cats won’t fit perfectly into the range for their age, and that’s not necessarily anything to be worried about. Every cat is different and some are just smaller or larger than average, without having any health complications or issues.

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As your Ragdoll is growing up, you can usually expect them to put on about one pound of weight each month until around 18 months, when their growth rate usually slows down.

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Ragdoll Cat Weight by Age

When Is a Ragdoll Cat Fully Grown?

Most domestic cat breeds finish growing after about 1 and a half years, and they don’t get much bigger. Many larger cats grow at a much slower rate though. Ragdoll cats generally don’t reach full maturity until they are around 4 years old, so they do keep growing for quite a long time.

With that being said, most of their growth does tend to happen within about the first year, and they usually don’t change dramatically after that point. Ragdoll cats are more likely to put on some weight and fill out a bit as they mature, rather than getting much longer or taller.

When they do reach full size, most Ragdoll cats are between 8 and 12 inches tall and their bodies are generally between 16 and 22 inches long. That’s not the upper limit, though, so don’t be surprised if your Ragdoll gets this big earlier than you expect – they may even have some more growing to do!

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Ragdoll Cat Weight by Age

How Much Should My Ragdoll Cat Weight?

When you’re looking at the average size and weight of any breed of cat, it can make you concerned or stressed about how your own kitten be developing. Don’t worry, though, there is no strict science around exactly how much a Ragdoll cat should weigh at any given age.

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Each kitten and every cat is completely unique, and you might simply have a larger or smaller Ragdoll than the average. What you should be keeping an eye on is their overall wellbeing and whether they are developing at a healthy rate for their size.

If your Ragdoll is consistently gaining less than 0.5 pounds per month within the first year or so of their development, then you should take them to a vet. It may be that they are just a late bloomer, but they could be suffering from malnourishment, a parasite, or an illness of some kind.

The other reason to be concerned when it comes to how much your Ragdoll weighs is if they are putting on too many pounds for how big they are.

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Ragdoll Cat Weight by Age

Is My Ragdoll Cat Overweight?

Obesity is a serious problem for any household pet. It is currently estimated than one in every three domestic cats in the United States are overweight or obese. Putting on too much weight can have serious health implications for a Ragdoll cat, and makes them vulnerable to many issues, like:

  • Arthritis
  • Heart Disease
  • Diabetes
  • Liver Disease
  • Joint and Mobility Problems
  • Cancer
  • Breathing Issues

There are some simple ways to tell whether your Ragdoll might be overweight for their size. You should be able to feel their rib and hip bones through their skin, and they should have a slight inward curve at the waist when you look down on them from above.

You might also be concerned if they are often lacking in energy and are finding it difficult to jump or climb the stairs. If you do think your cat might have put on a bit too much weight, you should talk to a vet so that you can put a plan in place to help them get back to a healthy size.

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Ragdoll Cat Weight by Age

Why Are Ragdoll Cats So Big?

The Ragdoll breed has quite an interesting history, and they have not been around for very long. They are a man-made mix that all descend from cats owned by a woman named Ann Baker from Riverside, California. She named the breed herself and set up the International Ragdoll Cat Association (IRCA) in 1971, to set standards for anyone who wanted to breed more of them.

It’s not even very clear what original breeds Ragdolls actually come from. The original cats were from several litters of a non-pedigreed domestic cat named Josephine, who was of a Persian/Angora type. Their fathers are not really known, although they are assumed to have been Burmese.

Interestingly, it is not the breeds that Ragdolls descend from that make them so large, it is just a matter of genetics. Ragdoll cats are actually slightly larger than most Persian, Angora, or Burmese cats. They have simply been bred from bigger cats, which is why they are typically quite big on average.

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Ragdoll Cat Weight by Age

Are All Ragdoll Cats Big?

Not every Ragdoll cat will grow to be significantly larger than the average domestic cat. Since the breed has not been around for too long, litters from these cats can still gain traits from their slightly more distant ancestors, which may not have been overly large in size or stature.

With that being said, Ragdolls do have some pretty distinctive features, particularly for such a “new” breed. They are typically long and muscular, with quite a broad chest and wide hips and shoulders. They are generally quite powerful, and they have a thick and silky coat, large eyes, and big fluffy tails.

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One of the defining characteristics of Ragdoll cats is actually not to do with their appearance at all – but their temperament. They are known to be very calm and docile, and were intentionally bred from a cat that would always go limp and relax every time it was picked up.

This trait has been carried down through the generations, so they are generally very affectionate and a joy to handle. Ragdoll cats are often praised as a great option for people who usually consider themselves to have more affiliation with dogs and puppies than cats and kittens.

Ragdoll Cat Weight by Age

Summary: Ragdoll Cat Weight by Age Full Guide

So, how big do Ragdoll cats get, and how much do they weigh as they grow? Well, it typically takes up to four years for a Ragdoll cat to reach maturity, but which time they will usually weigh between 10 and 20 pounds. Adult males are often noticeably heavier than females, but this is not always the case.

Ragdoll cats usually reach about 8 – 12 inches tall and between 16 and 22 inches long when they are fully grown.

There is no exact size or weight that a Ragdoll cat should be, though, so don’t be too worried if yours is a little bigger or smaller than the average for the breed. One of the greatest joys of raising a cat is how unique and special each individual grows up to be.