Rat Terrier Puppy Weight Calculator

Use this Rat Terrier puppy weight calculator to find out how big your Rat Terrier puppy will get. Just type your puppy's age and weight below and this tool will calculate the future adult size of your puppy.

Puppy Weight Calculator

Predict your puppy's adult weight

Rat Terrier
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Based on current growth rate
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AKC Standard
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Note
  • Predictions are estimates based on breed standards
  • Individual dogs may vary based on genetics and nutrition
  • Consult your vet for personalized assessments
Rat Terrier

Rat Terrier Stats

Height 10 - 18 inches
Weight 10 -25 pounds
Life Span 12 -18 years
Size Class Toy
Breed Group Terrier group

Rat Terrier Growth Chart

Rat Terrier Traits

Good with children
Shedding level
Grooming needs
Openness to strangers
Trainability
Barking
Good with other dogs
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What's it like
Caring for a Rat Terrier

Patellar luxation, or loose kneecaps, is common in the smaller varieties. Hip dysplasia occurs occasionally, particularly in the larger types. Some Rat Terriers may also be prone to von Willebrand's disease, a bleeding disorder, as well as eye conditions such as progressive retinal atrophy and cataracts. For your Rat Terrier puppy, it is wise to ask the breeder for health clearances on the knees, hips, and eyes

Choose a high-quality puppy food that is appropriate for their expected adult size. If your puppy comes from smaller parents, select a formula for small breeds. If the parents are larger, a standard puppy food for small to medium breeds is suitable. Feed three measured meals per day from weaning until six months of age, then reduce to two meals per day. Rat Terriers are known for having excellent appetites and can become overweight if overfed. You should be able to feel their ribs easily with light pressure, and they should have a noticeable waist when viewed from above.

Their coat is short, smooth, and tight-fitting to the body. There are two coat varieties: the smooth coat, which is very close-lying, and the slightly longer broken coat, which may have some feathering on the legs. Both types require only minimal grooming. A weekly brushing with a soft bristle brush or a rubber grooming mitt will remove loose hair and distribute natural oils, leaving the coat shiny. This breed sheds moderately, so you may see some hair around your home, especially during seasonal changes. Bathing is only necessary once every four to six weeks or when the puppy becomes visibly dirty.

This breed is exceptionally intelligent, alert, and eager to please, but they can also be independent and stubborn at times. They learn very quickly, often in just a few repetitions, so you do not need long training sessions. Five to ten minutes of focused training per day is usually sufficient. Use positive methods such as small treats, praise, and play as rewards. Housetraining is generally quite easy with this breed, as they are naturally clean and quick learners.

About the Rat Terrier

The Rat Terrier is a small, athletic, and intelligent breed that originated in the United States. It was developed in the early twentieth century by crossing several breeds, including the Smooth Fox Terrier, the Manchester Terrier, the Bull Terrier, and the Whippet. The breed was widely used on American farms for vermin control, hunting rats and other pests with great skill. In terms of size category, the Rat Terrier falls into theย small to mediumย range, with some variation. Adults typically stand between 10 and 18 inches at the shoulder, depending on the variety, and weigh between 10 and 25 pounds. As a puppy, Rat Terriers are born small but grow at a moderate rate. They generally reach their full adult height by nine to twelve months, though they may continue to gain muscle until around fourteen to sixteen months of age.

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