Your kitten’s weight and growth is important for their wellbeing, so it’s a good idea to track how much they’re progressing. The best way to keep track of your kitten is to weigh them regularly so that you can distinguish between healthy increases in weight and any worrying losses which could be a sign of an underlying issue.

A kitten weight chart or growth chart is an important tool to help gauge proper kitten development. With or without their mother cat, a kitten should grow steadily, at certain rates, and a variety of changes should occur within a certain time frame. The biggest indicator that a kitten is developing properly starts with weight gain, according to a kitten weight chart.

Caring for a kitten is an immense responsibility, but it’s also one of the most rewarding experiences you’ll ever have. Kittens grow in leaps and bounds during their first 12 weeks of life. Just like with human babies, there are certain milestones you want your kitten to reach at different points in the growth process.

Kitten Growth Chart

As a new kitten parent, you will want to monitor your kitten’s overall growth (length, height, weight) from two perspectives. These are healthy kitten growth expectations and breed-specific adult cat growth expectations. The former is critical to detect any situation where your kitten may fail to thrive. If you are worried that they are growing too slowly, you can seek veterinary care without any delay.

Monitoring growth for health reasons is always a good idea. On the other side of the equation, you won’t be surprised when the cat you thought was fully grown just keeps growing and growing!

At 4 months of age, a kitten should start to gain its adult teeth, and should be 2 months away from reaching full sexual maturity and growth potential. Because of this, this is an optimal time to get a kitten spayed or neutered. Kittens at this age are also fully socialized and ready to separate from the mother cat or siblings.

Can You Tell How Big A Kitten Will Get?

Unlike dogs that can vary in size from Chihuahuas to Great Danes, cats don’t have huge variations in size between breeds. Still, though, there is some variation. Some cats can be more than twice as big as others, depending on their genetics and other factors. An average adult cat weighs 10 pounds, but some petite cats can weigh closer to 5 or 6 pounds and other equally as healthy cats can tip the scales at over 25 pounds.  Get to know what’s normal for your unique pet. That way you’ll notice if your cat is gaining or losing weight.

How Fast Does A Kitten Grow?

Growing kittens under 6 months of age will weigh approximately their age in months. So, a 2-month-old kitten should weigh approximately 2 pounds, a 3-month-old kitten should average 3 pounds, and so on.

Don’t worry if your young kitten doesn’t follow this weight formula exactly, though. Each pet is unique. As long as your kitty has a clean bill of health from your veterinarian, your pet is on the right track. 

A kitten’s weight at 6 months of age and older is more variable between individual cats, since they are starting to get closer to their adult size and may grow at different rates.

How Fast Do Cats Grow?

One of the reasons we love cats is that there is such a range and variety. But, the downside is that answering the question of how fast kittens grow is much more difficult. In fact, the question of “how fast do kittens grow?” is one that we must answer on a breed-specific basis.

In other words, if you have a Bengal kitten, the answer to this question will be different than if you have an American Shorthair kitten or a Maine Coon kitten.

And if you have a “mutt” kitten – a kitten whose parentage is unknown or only partially known, then good luck! Figuring out when is a kitten full grown becomes even more of a mystery!

When Do Kittens Stop Growing?

There isn’t really any hard and fast scientific evidence to prove at what age do cats stop growing. Different feline breeds grow at different rates, and some breeds are quite petite at maturity. Others can be surprisingly robust in size and never seem to stop growing.

Most cat breeders agree that kittens stop growing somewhere between 8 and 16 months, depending upon the breed. That’s a pretty good rule of thumb for the vast majority of cats. However, it can be a bit more complicated than that. As we all know, cats are naturally contrary creatures and nothing is that simple!

When Should You Weigh Your Kitten?

We recommend that you weigh your kitten whenever it’s having a major growth spurt (i.e. when it goes through a significant change in size or weight) or if you think something is wrong.

If you start to notice how much your kitten is growing and changing, then weighing them every week will really help you track their progress and catch any problems early before they turn serious.

How to weigh a kitten?

Your kitten should be weighed on a flat surface, such as a kitchen counter. Make sure you turn the scale on and it’s set to zero before you place your kitten on it. Always warm up your kitten and feed him or her before weighing, to make sure they’re not feeling hungry or in the middle of a growth spurt.

How Much Should A 4-Month-Old Kitten Weigh?

All kittens are different, but 4 months is a good age to start a weight regime. A healthy kitten weighs over 2.5kgs (5lbs) and is around 14cms from the nose to the base of the tail. You should be able to feel every bone in their body, and they shouldn’t appear ‘pot-bellied’.

If your kitten was one of six born in a litter, you should have them weighed at least every month until they’re 7 months old. If they’re having a growth spurt, they may put on weight quite quickly for a few days or weeks. The important thing is not how much your kitten weighs now but how much it weighs two or three weeks from now.

What Weight Should My Kitten Be? 

While dog breeds vary widely in size, there’s not as much size variance when it comes to cats. Some cat breeds, like Maine Coons, can grow to record-breaking proportions, but the average adult cat weighs around 10 pounds. However, it’s common for perfectly healthy cats to weigh around five pounds (the Siamese is a good example) or come in at a hefty 20-plus pound weight (like Maine Coons or Norwegian Forest Cats). 

How Much Weight Should A Kitten Gain Each Week?

According to the University of Wisconsin School of Veterinary Medicine at Madison, your kitten should gain approximately ½ ounce (or 14 grams) per day for a total of four ounces (or 113 grams) each week. Ask the Cat Doctor has a handy kitten weight chart you can use to make sure your new fur baby stays on target with her weight gain. 

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