Skip to content
Woof & Beyond
Breed

Rat Terrier

The Rat Terrier is a terrier breed from United States of America (USA), standing 10–18 in at the withers, weighing 10–25 lb. Recorded lifespan is 12–18 yrs.

A photograph of the Rat Terrier
Breed group
Terrier
Origin
United States of America (USA)
Height
10–18 in
Weight
10–25 lb
Lifespan
12–18 yrs

Among the 500 breeds here with recorded measurements, the Rat Terrier is taller than 15% of the measured breeds, heavier than 13%, one of 31 in the Terrier group.

Breeds that look like the Rat Terrier

A neural network trained to tell breeds apart by sight read all 510 photographs in this reference, and these are the 6 it placed closest to the Rat Terrier.

Side by side

Height 0–38 in

  1. Rat Terrier
    10–18 in
  2. Teddy Roosevelt Terrier
    8–15 in
  3. Fox Terrier (Smooth)
    14–16 in
  4. Boston Terrier
    9–15 in
  5. Brazilian Terrier
    14–16 in
  6. Danish–Swedish Farmdog
    13–15 in
  7. McNab Shepherd
    18–25 in

Weight 0–220 lb

  1. Rat Terrier
    10–25 lb
  2. Teddy Roosevelt Terrier
    10–25 lb
  3. Fox Terrier (Smooth)
    15–20 lb
  4. Boston Terrier
    6–25 lb
  5. Brazilian Terrier
    15–22 lb
  6. Danish–Swedish Farmdog
    15–25 lb
  7. McNab Shepherd
    35–65 lb

Lifespan 0–20 yrs

  1. Rat Terrier
    12–18 yrs
  2. Teddy Roosevelt Terrier
    14–16 yrs
  3. Fox Terrier (Smooth)
    12–15 yrs
  4. Boston Terrier
    11–13 yrs
  5. Brazilian Terrier
    12–14 yrs
  6. Danish–Swedish Farmdog
    11–13 yrs
  7. McNab Shepherd
    13–15 yrs

Nothing here was grouped by hand. The ranking is an opinion about appearance, not about ancestry, which is why it sometimes puts together breeds no kennel club would — and why it is worth looking at the photographs rather than taking the order on trust.

See the Rat Terrier on the breed mapRead about the Rat Terrier on Wikipedia
Woof & Beyond

Straight answers about living with a dog, written one question at a time.

Quick Links
SearchBreed ExplorerAboutContact
Elsewhere
Pinterest
© 2026 Woof & BeyondWritten by The Woof & Beyond Team