0 - Very small breeds:like Yorkshire Terrier, Miniature Pinscher, Ratter |
2 2/5 inches |
6 2/5 inches |
no need
|
10 - 13 1/5 inches |
1 4/5 inches |
2 2/5 inches |
6 cm |
16 cm |
no need |
25 - 33 cm |
4.5 cm |
6 cm |
1 - Miniature Schnauzer etc. |
2 1/5 inches |
7 1/5 inches |
no need
|
10 - 14 inches |
2 1/5 inches |
2 2/5 inches |
5.5 cm |
18 cm |
no need |
25 - 35 cm |
5.5 cm |
6 cm |
2 |
2 4/5 inches |
8 inches |
2 2/5 - 6 4/5 inches
|
10 4/5 - 16 inches |
2 3/5 inches |
2 4/5 inches |
7 cm |
20 cm |
6 - 17 cm |
27 - 40 cm |
6.5 cm |
7 cm |
3 |
2 3/5 inches |
8 2/5 inch |
3 3/5 - 7 1/5 inches
|
10 4/5 - 17 1/5 inches |
2 4/5 inches |
2 4/5 inches |
6.5 cm |
21 cm |
9 - 18 cm |
27 - 43 cm |
7 cm |
7 cm |
3A |
4 inches |
10 inches |
2 - 8 2/5 inches
|
10 2/5 - 19 3/5 inches |
2 4/5 inches |
3 2/5 inches |
10 cm |
25 cm |
5 - 21 cm |
26 - 49 cm |
7 cm |
8.5 cm |
4 - Middle size breeds: like Poodle, |
3 3/5 inches |
9 3/5 inches |
2 4/5 - 7 3/5 inches
|
14 4/5 - 18 4/5 inches |
2 4/5 inches |
3 1/5 inches |
9 cm |
24 cm |
7 - 19 cm |
37 - 47 cm |
7 cm |
8 cm |
4L - Middle size breeds: like Poodle with longer snout |
4 1/5 inches |
10 inches |
1 3/5 - 6 4/5 inches
|
10 4/5 - 20 inches |
3 inches |
3 1/5 inches |
10.5 cm |
25 cm |
4 - 17 cm |
27 - 50 cm |
7.5 cm |
8 cm |
5 - Spaniel, Schnauzer, Foxterrier, Pinscher, Weimaraner etc. |
4 2/5 inches |
10 2/5 inches |
2 4/5 - 7 3/5 inches
|
15 3/5 - 19 3/5 inches |
3 inches |
3 3/5 inches |
11 cm |
26 cm |
7 - 19 cm |
39 - 49 cm |
7.5 cm |
9 cm |
6 - Bigger dogs:like German Shepherd |
4 inches |
11 1/5 inches |
2 3/5 - 8 4/5 inches
|
16 - 24 2/5 inches |
3 1/5 inches |
3 4/5 inches |
10 cm |
28 cm |
6.5 - 22 cm |
40 - 61 cm |
8 cm |
9.5 cm |
6L - Bigger dogs:like German Shepherd,with longer snout |
4 4/5 inches |
12 inches |
1 3/5 - 8 inches
|
12 4/5 - 26 2/5 inches |
3 1/5 inches |
4 inches |
12 cm |
30 cm |
4 - 20 cm |
32 - 66 cm |
8 cm |
10 cm |
7 - Pointer, Pitbull, Amstaff, Dalmatian, Setter, Labrador, Golden Retriever |
4 2/5 inches |
12 4/5 inches |
4 - 10 inches
|
14 - 25 3/5 inches |
3 4/5 inches |
4 inches |
11 cm |
32 cm |
10 - 25 cm |
35 - 64 cm |
9.5 cm |
10 cm |
8 - Poodle (big), Siberian Husky |
4 3/5 inches |
14 inches |
6 - 10 4/5 inches
|
20 - 28 inches |
4 inches |
4 2/5 inches |
11.5 cm |
35 cm |
15 - 27 cm |
50 - 70 cm |
10 cm |
11 cm |
9 - Alaskan Malamute etc. |
4 4/5 inches |
13 3/5 inches |
7 1/5 - 10 4/5 inches
|
20 - 28 inches |
3 3/5 inches |
4 2/5 inches |
12.5 cm |
34 cm |
18 - 27 cm |
50 - 70 cm |
9 cm |
11 cm |
10 - Caucasian ovcharka |
4 4/5 inches |
15 3/5 inches |
5 3/5 - 13 3/5 inches
|
20 4/5 - 30 inches |
4 inches |
5 3/5 inches |
12 cm |
39 cm |
14 - 34 cm |
52 - 75 cm |
10 cm |
14 cm |
11 - Large Caucasian ovcharka, Leonberger, Great Dane |
6.1 inches |
15 3/4 inches |
2.4 - 14.2 inches
|
18 - 31 inches |
4 inches |
5 3/5 inches |
15.5 cm |
40 cm |
6 - 36 cm |
46 - 78 cm |
10 cm |
14 cm |
12 - Dogs with extra broad snout:Saint Bernard |
5 1/5 inches |
19 inches |
7 1/5 - 12 inches
|
24 4/5 - 34 2/5 inches |
5 4/5 inches |
6 1/5 inches |
13 cm |
47.5 cm |
18 - 30 cm |
62 - 86 cm |
14.5 cm |
15.5 cm |
13 - Dogs with extra big snout:Great Dane |
5 1/5 inches |
18 inches |
7 1/5 - 15 1/5 inches
|
24 4/5 - 34 2/5 inches |
4 2/5 inches |
6 3/5 inches |
13 cm |
45 cm |
18-38 cm |
62-86 cm |
11 cm |
16.5 cm |
J1 - Small dogs with longer snout: |
3 2/5 inches |
8 inches |
3 1/5 - 7 1/5 inches
|
6 3/5 - 12 4/5 inches |
2 inches |
2 3/5 inches |
8.5 cm |
20 cm |
8 - 18 cm |
24 - 32 cm |
5 cm |
6.5 cm |
J2 - Dachshund and other small dogs |
3 3/5 inches |
8 4/5 inches |
3 1/5 - 7 1/5 inches
|
10 - 12 4/5 inches |
2 2/5 inches |
3 inches |
9 cm |
22 cm |
8 - 18 cm |
25 - 32 cm |
6 cm |
7.5 cm |
D1 - Dogs with longer snout |
4 4/5 inches |
10 4/5 inches |
6 4/5 - 8 4/5 inches
|
18 - 22 inches |
3 1/5 inches |
3 3/5 inches |
12 cm |
27 cm |
17 - 22 cm |
45 - 55 cm |
8 cm |
9 cm |
D2 - Doberman Pinscher, Collie |
5 2/5 inches |
11 1/5 inches |
4 2/5 - 8 2/5 inches
|
14 - 21 1/5 inches |
3 3/5 inches |
3 3/5 inches |
13.5 cm |
28 cm |
11 - 21 cm |
35 - 53 cm |
9 cm |
9 cm |
D3 - Setter, Pointer and other dogs |
5 2/5 inches |
12 inches |
6 4/5 - 10 inches
|
18 4/5 - 22 4/5 inches |
3 4/5 inches |
3 4/5 inches |
13.5 cm |
30 cm |
17 - 25 cm |
47 - 57 cm |
9.5 cm |
9.5 cm |
B0 - French Bulldog, Pug |
2 3/5 inches |
10 3/5 inches |
2 4/5 - 7 3/5 inches
|
11 1/5 - 20 inches |
3 1/5 inches |
3 3/5 inches |
6.5 cm |
26.5 cm |
7 -1 9 cm |
28 - 50 cm |
8 cm |
9 cm |
B0.5 - Boston terrier, French Bulldog bitch |
2 1/5 inches |
10 inches |
2 2/5 - 5 3/5 inches
|
10 4/5 - 18 2/5 inches |
3 1/5 inches |
3 1/5 inches |
5.5 cm |
25 cm |
6 - 14 cm |
27 - 46 cm |
8 cm |
8 cm |
B1 - Dog with short snout:Boxer and other dogs with short snout |
2 3/5 inches |
11 1/5 inches |
2 2/5 - 7 3/5 inches
|
13 1/5 - 22 inches |
3 3/5 inches |
3 3/5 inches |
6.5 cm |
28 cm |
6 - 19 cm |
33 - 55 cm |
9 cm |
9 cm |
B2 |
2 2/5 i |
12 4/5 inches |
3 - 10 inches
|
15 1/5 - 24 2/5 inches |
4 inches |
4 inches |
6 cm |
32 cm |
7.5 - 25 cm |
38 - 61 cm |
10 cm |
10 cm |
B3 |
3 1/5 inches |
14 inches |
6 4/5 - 8 4/5 inches
|
17 1/5 - 26 inches |
4 3/5 inches |
4 3/5 inches |
8 cm |
35 cm |
17 - 22 cm |
43 - 65 cm |
11.5 cm |
11.5 cm |
B3.5 - Bigger male English Bulldog, Dogue De Bordeaux |
2 4/5 inches |
16 2/5 inches |
2 2/5 - 11 1/5 inches
|
16 - 29 1/5 inches |
4 4/5 inches |
4 4/5 inches |
7 cm |
41 cm |
6 - 28 cm |
40 - 73 cm |
12.5 cm |
12.5 cm |
B4 - Big American bulldog, bullmastiff, Dogue De Bordeaux |
3 3/5 inches |
18 inches |
6 - 11 3/5 inches
|
25 1/5 - 34 4/5 inches |
5 2/5 inches |
5 4/5 inches |
9 cm |
45 cm |
15 - 29 cm |
63 - 87 cm |
13.5 cm |
14.5 cm |
R0 - Pitbull, amstaf and similar |
3 2/5 inches |
13 inches |
1 3/5 - 10 2/5 inches
|
13 3/5 - 26 2/5 inches |
3 2/5 inches |
4 3/5 inches |
8.5 cm |
32.5 cm |
4 - 26 cm |
34 - 66 cm |
8.5 cm |
11.5 cm |
R1 - Dogs with broad snout:Rottweiler, Golden Retriever |
3 4/5 inches |
14 inches |
2 4/5 - 7 3/5 inches
|
15 1/5 - 24 inches |
3 4/5 inches |
4 4/5 inches |
9.5 cm |
35 cm |
7 - 19 cm |
38 - 60 cm |
9.5 cm |
12.5 cm |
R1L - Dogs with broad snout:Rottweiler, Golden Retriever, with longer snout |
4 3/5 inches |
15 1/5 inches |
1 3/5 - 6 4/5 inches
|
12 - 25 1/5 inches |
3 4/5 inches |
5 2/5 inches |
11.5 cm |
38 cm |
4 - 17 cm |
30 - 63 cm |
9.5 cm |
13.5 cm |
R2 - Labrador, Big Pitbull, Amstaff, Rottweiler |
4 inches |
14 2/5 inches |
3 - 10 4/5 inches
|
17 1/5 - 26 inches |
4 inches |
4 4/5 inches |
10 cm |
36 cm |
7.5 - 27 cm |
43 - 65 cm |
10 cm |
12.5 cm |
R2L - Big Labrador, Berner Sennenhund, Anatolian Shepherd |
4 2/5 inches |
15 1/5 inches |
1 3/5 - 10 2/5 inches
|
14 - 26 4/5 inches |
4 inches |
5 1/5 inches |
11 cm |
38 cm |
4 - 26 cm |
35 - 67 cm |
10 cm |
13 cm |
R3 - Bigger Rottweiler, Big Labrador |
4 inches |
15 1/5 inches |
3 - 10 4/5 inches
|
21 3/5 - 30 2/5 inches |
4 2/5 inches |
5 2/5 inches |
10 cm |
38 cm |
7.5 - 27 cm |
54 - 76 cm |
11 cm |
13.5 cm |
R3.5 |
4 1/5 inches |
17 inches |
|
20 2/5 inches |
4 4/5 inches |
5 2/5 inches |
10.5 cm |
42.5 cm |
|
50.85 cm |
12 cm |
13.5 cm |
R3L - Bigger Rottweiler, Big Labrador, Berner Sennenhund |
4 4/5 inches |
15 4/5 inches |
1 3/5 - 10 2/5 inches
|
18 2/5 - 31 1/5 inches |
4 2/5 inches |
5 1/5 inches |
12.5 cm |
39.5 cm |
4 - 26 cm |
46 - 78 cm |
11 cm |
13 cm |
R4 - Big American bulldog, bullmastiff |
4 inches |
18 4/5 inches |
3 1/5 - 12 inches
|
24 4/5 - 33 1/5 inches |
5 2/5 inches |
6 1/5 inches |
10 cm |
47 cm |
8 - 30 cm |
62 - 83 cm |
13.5 cm |
15.5 cm |
OB1 - Malinois, GSD Bitch, Doberman |
5 1/5 inches |
12 2/5 inches |
3 1/5 - 10 4/5 inches
|
13 1/5 - 22 inches |
3 2/5 inches |
4 inches |
13 cm |
31 cm |
8 - 27 cm |
33 - 55 cm |
8.5 cm |
10 cm |
OB2 - Big Malinois, Middle GSD |
5 3/5 inches |
14 inches |
3 1/5 - 10 4/5 inches
|
15 1/5 - 24 inches |
3 3/5 inches |
4 4/5 inches |
14 cm |
35 cm |
8 - 27 cm |
38 - 60 cm |
9 cm |
12 cm |
OB3 |
5 4/5 inches |
14 4/5 inches |
3 1/5 - 11 3/5 inches
|
21 3/5 - 30 2/5 inches |
4 inches |
4 4/5 inches |
14.5 cm |
37 cm |
8 - 29 cm |
54 - 76 cm |
10 cm |
12.5 cm |
OB4 |
6 inches |
16 2/5 inches |
5 3/5 - 13 3/5 inches
|
24 4/5 - 33 1/5 inches |
4 3/5 inches |
5 2/5 inches |
15 cm |
41 cm |
14 - 34 cm |
62 - 83 cm |
11.5 cm |
13.5 cm |
BT - Bullterier male |
5 3/5 inches |
14 2/5 inches |
1 3/5 - 10 2/5 inches
|
16 - 28 4/5 inches |
4 2/5 inches |
4 4/5 inches |
14 cm |
36 cm |
4 - 26 cm |
40 - 72 cm |
11 cm |
12.5 cm |