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Dog Size Chart
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Bull Terrier size chart: crate, harness & collar

What the published charts say for a Bull Terrier, across 19 harnesses, 6 crates and 7 collars. Every answer says how it was reached, and none of them replaces measuring your dog.

Note: AKC gives one height range for both sexes; copied to male and female.

Note: AKC gives one weight range for both sexes; copied to male and female.

Adult Bull Terrier

Height at the shoulder
21–22 in53.3–55.9 cm
Adult weight
50–70 lb22.7–31.8 kg
Chest girth
23.6–25.6 in59.9–65 cm
Neck
19.7–21.7 in50–55.1 cm

AKC prints: “Height: 21-22 inches”, “Weight: 50-70 pounds”.

Source: AKC breed page, checked Nov 4, 2026.

Source: TARIGS, "Size table for different breeds" (breed row: Bull Terrier; inch values as printed, converted by TARIGS from cm; not sex-specific), checked Nov 4, 2026. Girth is a published chart range, not a breed-standard measurement, and is not split by sex.

These are published breed figures, not your dog. Measure your dog — chest girth for a harness, neck for a collar, length and height for a crate.

Harness sizes

Harnesses sized for a Bull Terrier
Harnesses (19)SizeHow it was worked out
Julius-K9 IDC PowerharnessMini or 0by chest girthBetween sizes. Check the maker’s chart before you buy.
Ruffwear Front Range HarnessSby chest girth
Ruffwear Flagline HarnessSby chest girth
Ruffwear Web Master HarnessSby chest girth
Kurgo Tru-Fit Smart Harness (quick release)Medium or Largeby chest girthBetween sizes. Check the maker’s chart before you buy.
PetSafe Easy Walk HarnessSmall / Medium to Medium / Large (3 sizes)by chest girthBetween sizes. The maker says: “If your dog is between two sizes, choose a size up.”PetSafe’s sizes overlap, so one dog can fall in several. Measure your dog’s chest and check the maker’s chart.
PetSafe Easy Walk 3 in 1 HarnessSmall or Mediumby chest girthBetween sizes. The maker says: “if your pet falls in between sizes, size down”
Rabbitgoo ControlPro No-Pull Harness (ControlPro series)M to XL (3 sizes)by chest girthBetween sizes. Check the maker’s chart before you buy.Rabbitgoo’s sizes overlap, so one dog can fall in several. Measure your dog’s chest and check the maker’s chart.
Blue-9 Balance HarnessS to M/L (3 sizes)by chest girthBetween sizes. Check the maker’s chart before you buy.Blue-9’s sizes overlap, so one dog can fall in several. Measure your dog’s chest and check the maker’s chart.
2 Hounds Design Freedom No-Pull Harness5/8" Small to 1" Medium (3 sizes)by chest girthBetween sizes. The maker says: “choose the SMALLEST size that fits the chest measurement”2 Hounds Design’s sizes overlap, so one dog can fall in several. Measure your dog’s chest and check the maker’s chart.
Wild One Classic Cushioned Dog Harness (with neck buckle)Mby chest girth
Wild One Step-In Dog HarnessM or Lby chest girthBetween sizes. The maker says: “between sizes, size up”
Voyager (Best Pet Supplies) Step-In Air Pet HarnessNo sizeby chest girthThis breed's published chest girth falls outside every size this maker prints.
Gooby Comfort X Head-In HarnessXLby chest girth
Puppia RiteFit Harness (PAJA-AC617)L or XLby chest girthBetween sizes. Check the maker’s chart before you buy.
Puppia Soft Harness (PDCF-AC30)L or XLby chest girthBetween sizes. Check the maker’s chart before you buy.
Chai's Choice Outdoor Adventure Dog Harness (3M reflective)Mby chest girth
Embark Adventure No-Pull HarnessSMALLby chest girth
Carhartt Training Dog Harness (Nylon Duck Training Harness, PH0341)MEDIUMby chest girth

Where a size reads as a span, the breed’s published range reaches across that many of the maker’s sizes. This site shows the span rather than choosing one for you.

Crate sizes

Crates sized for a Bull Terrier
Crates (6)SizeHow it was worked out
MidWest Homes for Pets iCrate Single Door Folding Dog Crate36-inch or 42-inchby weightBetween sizes. Check the maker’s chart before you buy.MidWest Homes for Pets lists the outside of the box; the usable inside is smaller.
MidWest Homes for Pets LifeStages Single Door Dog Crate36-inchby weightMidWest Homes for Pets lists the outside of the box; the usable inside is smaller.
Petmate Sky Kennel32" to 40" (3 sizes)by weightBetween sizes. Check the maker’s chart before you buy.Petmate’s sizes overlap, so one dog can fall in several. Measure your dog’s chest and check the maker’s chart.
Diggs Revol Collapsible Dog CrateMedium to Large (3 sizes)by weightBetween sizes. The maker says: “between sizes, size up”Diggs’ sizes overlap, so one dog can fall in several. Measure your dog’s chest and check the maker’s chart.
Impact Dog Crates Collapsible Dog CrateSizes by measurement onlyImpact Dog Crates publishes no dog weight. Use the crate calculator.estimated interior, about ½ in smaller than Impact’s exterior size (Impact’s own note)
Frisco (Chewy) Fold & Carry Single Door Collapsible Wire Dog CrateMed/Largeby weightFrisco (Chewy) lists the outside of the box; the usable inside is smaller.

Every crate row above is by the maker’s weight guidance, because no published body length exists per breed. A crate is sized on the body: use the calculator below with your own measurements.

Where a size reads as a span, the breed’s published range reaches across that many of the maker’s sizes. This site shows the span rather than choosing one for you.

Collar sizes

Collars sized for a Bull Terrier
Collars (7)SizeHow it was worked out
Ruffwear Front Range Collar14"-20" or 20"-26"by neck girthBetween sizes. Check the maker’s chart before you buy.
Blueberry Pet Classic Solid Color Adjustable Dog CollarM or Lby neck girthBetween sizes. Check the maker’s chart before you buy.
PetSafe Martingale CollarLargeby neck girth
Max and Neo Martingale All Nylon Dog CollarMedium or Largeby neck girthBetween sizes. Check the maker’s chart before you buy.
Wild One Waterproof Dog CollarExtra Largeby neck girth
2 Hounds Design Side Release (Buckle) Collar / Buckle MartingaleLG or XLby neck girthBetween sizes. Check the maker’s chart before you buy.
Carhartt Dog CollarLARGEby neck girth

Puppy?

Size for the adult and use a divider. A crate bought to fit a puppy is outgrown in weeks, and a crate with a spare end stops working as a den. Buy the adult size and move the divider back as the dog grows. A harness or collar is the opposite: buy for the dog you have now, because adult-sized straps slip on a puppy.

Is your dog a mix?

Mixes vary a lot. Measure your dog. A breed figure describes a published standard, and a mix is not held to one. Two dogs from the same litter can land two sizes apart on the same chart.

Measure your Bull Terrier

The tables above start from a published breed range. This starts from your dog. Crates need a body length and a standing height, plus 4 in of room.

Size your Bull Terrier

Enter what you have measured. Every answer below is the maker’s own published range against your number — a starting point, not a fitting.

Published range for the Bull Terrier: 23.6 to 25.6 in chest, 19.7 to 21.7 in neck (TARIGS, "Size table for different breeds").

Measure your dog and enter it. A published range is a range: the boxes below stay empty because the middle of a range is a number nobody published. Full Bull Terrier size chart

Where to put the tape. Leave a box empty and the answers that need it say so, rather than guessing.

Enter a measurement above to see what each maker's chart says.

Sizes come from each maker’s own published chart. Check the maker’s current chart before you buy: charts change, and nothing here is a guarantee of fit.

Common questions

What size harness for a Bull Terrier?
On the charts published by their makers, a Bull Terrier comes out at Julius-K9 IDC Powerharness Mini or 0, Ruffwear Front Range Harness S, Ruffwear Flagline Harness S (by published chest girth), with 18 of 19 charts giving a size. Size labels are not comparable between brands, so read the range rather than the letter. Measure your dog's chest girth at the widest part of the rib cage and check it against the maker's own chart before you buy.
What size crate for a Bull Terrier?
By the makers' own weight guidance, a Bull Terrier comes out at MidWest Homes for Pets iCrate Single Door Folding Dog Crate 36-inch or 42-inch, MidWest Homes for Pets LifeStages Single Door Dog Crate 36-inch, Petmate Sky Kennel 32" to 40" (3 sizes). Weight is the rougher route: a crate is sized on the body. Measure your dog from the nose to the base of the tail and from the floor to the top of the head while standing, add 4 inches to each, and compare that with the crate's interior, not its outside.
How big does a Bull Terrier get?
An adult Bull Terrier is 21–22 in tall at the shoulder, 50–70 lb. Published sizing charts give a chest girth of 23.6–25.6 in and a neck of 19.7–21.7 in. These are breed-standard ranges, not your dog: individual dogs sit outside them. Measure your dog.

Breeds in the same size group on this site. The group is worked out here from adult male weight; it is not an AKC category.

Compare every chart instead: harness size charts, crate size charts, collar size charts.