Chihuahua Growth Chart
Source: The Complete Chihuahua Encyclopedia by Hilary
Harmer.
This Chihuahua growth chart is only an estimate, some
puppies may grow more, and some may grow less depending on
genetics, nutrition, and environmental factors.
| Birth |
2½ oz. |
2¾ oz. |
3 oz. |
3½ oz. |
4 oz. |
4¼ oz |
4½ oz. |
5 oz. |
5½ oz. |
| 1 week |
3¾ |
4 |
5 |
5½ |
6½ |
7 |
8 |
9 |
9½ |
| 2 weeks |
5 |
5½ |
6½ |
7 |
9 |
10 |
11 |
12½ |
13½ |
| 3 weeks |
6 |
7 |
8 |
9 |
11 |
13 |
14 |
16 |
17½ |
| 4 weeks |
7 |
8 |
9½ |
11 |
13 |
15 |
17 |
19½ |
21 |
| 5 weeks |
8 |
9 |
11 |
13 |
15 |
17 |
19½ |
22 |
24 |
| 6 weeks |
9 |
11 |
12½ |
15 |
17½ |
20 |
22 |
24 |
27 |
| 7 weeks |
10 |
12 |
14½ |
17 |
19½ |
22 |
24½ |
27 |
30 |
| 8 weeks |
11 |
13 |
16 |
19 |
21½ |
24 |
27 |
29 |
33 |
| 9 weeks |
12 |
15 |
17½ |
20 |
23 |
26 |
29 |
32 |
35 |
| 10 weeks |
13 |
16 |
19 |
22 |
25 |
28 |
31 |
34 |
38 |
| 11 weeks |
14 |
17 |
21 |
24 |
27 |
31 |
34 |
37 |
42 |
| 12 weeks |
15 |
19 |
22 |
26 |
30 |
33 |
37 |
41 |
45 |
| 13 weeks |
16 |
20 |
24 |
28 |
32 |
36 |
40 |
44 |
49 |
| 14 weeks |
17 |
22 |
26 |
30 |
34 |
39 |
43 |
47 |
52 |
| 15 weeks |
19 |
23 |
28 |
32 |
37 |
41 |
46 |
51 |
56 |
| 16 weeks |
20 |
25 |
30 |
34 |
39 |
44 |
49 |
54 |
59 |
| 17 weeks |
21 |
26 |
31 |
36 |
41 |
46 |
51 |
57 |
62 |
| 18 weeks |
22 |
28 |
33 |
37 |
43 |
48 |
54 |
60 |
65 |
| 19 weeks |
23 |
29 |
34 |
39 |
44 |
50 |
56 |
62 |
67 |
| 20 weeks |
24 |
30 |
35 |
41 |
46 |
52 |
58 |
64 |
70 |
| 21 weeks |
25 |
31 |
36 |
42 |
48 |
54 |
60 |
66 |
72 |
| 22 weeks |
25 |
32 |
37 |
43 |
49 |
56 |
62 |
68 |
74 |
| 23 weeks |
26 |
33 |
38 |
44 |
50 |
57 |
64 |
70 |
76 |
| 24 weeks |
26 |
33 |
39 |
45 |
51 |
58 |
65 |
71 |
78 |
| 25 weeks |
27 |
34 |
40 |
46 |
52 |
59 |
66 |
72 |
79 |
| 26 weeks |
27 |
34 |
40 |
47 |
53 |
60 |
67 |
73 |
80 |
| 18 months-full grown |
2 lb. |
2½ lb. |
3 lb. |
3½ lb. |
4 lb. |
4½ lb. |
5 lb. |
5 ½ lb. |
6 lb. |
| 
