Chihahua Growth Chart

This chart is a guide to what the future weight of a Chihuahua puppy might be. There are many factors that affect the final size a Chihuahua may attain upon reaching adulthood and this chart cannot predict the final outcome with full certainty. 

Birth	2.5 oz	2.75 oz	3 oz	3.5 oz	4 oz	4.25 oz	4.5 oz	5 oz	5.5 oz
1 wk	3.75	4	5	5.5	6.5	7	8	9	9.5
2 wks	5	5.5	6.5	7	9	10	11	12.5	13.5
3 wks	6	7	8	9	11	13	14	16	17.5
4 wks	7	8	9.5	11	13	15	17	19	21
5 wks	8	9	11	13	15	17	19.5	22	24
6 wks	9	11	12.5	15	17.5	20	22	24	27
7 wks	10	12	14.5	17	19.5	22	24.5	27	30
8 wks	11	13	16	19	21.5	24	27	29	33
9 wks	12	15	17.5	20	23	26	29	32	35
10 wks	13	16	19	22	25	28	31	34	38
11 wks	14	17	21	24	27	31	34	37	42
12 wks	15	19	22	26	30	33	37	41	45
13 wks	16	20	24	28	32	36	40	44	49
14 wks	17	22	26	30	34	39	43	47	52
15 wks	19	23	28	32	37	41	46	51	56
16 wks	20	25	30	34	39	44	49	54	59
17 wks	21	26	31	36	41	46	51	57	62
18 wks	22	28	33	37	43	48	54	60	65
19 wks	23	29	34	39	44	50	56	62	67
20 wks	24	30	35	41	46	52	58	64	70
21 wks	25	31	36	42	48	54	60	66	72
22 wks	25	32	37	43	49	56	62	68	74
23 wks	26	33	38	44	50	57	64	70	76
24 wks	26	33	39	45	51	58	65	71	78

25 wks	27	34	40	46	52	59	66	72	79
26 wks	27	34	40	47	53	60	67	73	80
18 mth	2 lb	2.5 lb	3 lb	3.5 lb	4 lb	4.5 lb	5 lb	5.5 lb	6 lb