How Fast Does a Puppy Grow?

NOTE: Breeders will often report large variations in the size and weight of individuals within litters, and from one litter of puppies to the next. Please bear this in mind when referring to these charts.

Growth Charts from Ambleside and de Quoy

The Ambleside Growth Chart

(prepared by Col. William Dana from a 23 year record kept by Ambleside Kennels, and is a record of AVERAGE heights and weights by sex)

	Weight (lbs)		Height (inches)
	Male	Female	Male	Female
2 mos	24.8	23.5
3 mos	44.7	41.7	21.2	20.8
4 mos	64.9	58.2	25.1	24.2
6 mos	98.3	87.2	30.1	28.6
8 mos	117.1	102.8	32.9	31.1
10 mos	129.7	114.8	34.2	32.3
12 mos	136.1	116.7	34.9	32.5
18 mos	144.7	120.1	35.5	32.9
24 mos	149.8	129.0	35.9	33.6
36 mos	161.8	132.0	36.0	33.7

Height and Weight Charts 1956-1976 by Alfred de Quoy

(from The Irish Wolfhound Guide)

Height (inches)
Males					Females
Age	# of IWs	Max	Min	Mean	Age	# of IWs	Max	Min	Mean
3 mos	10	22.5	21.5	22.0	3 mos	11	21.5	21.0	21.2
4 mos	10	25.5	24.0	24.6	4 mos	9	24.5	23.8	24.1
5 mos	10	28.5	25.5	27.4	5 mos	4	27.0	25.0	26.2
6 mos	10	31.5	27.8	29.6	6 mos	4	28.0	28.0	28.0
7 mos	15	32.5	29.8	31.0	7 mos	4	30.0	27.3	29.3
8 mos	13	33.8	30.3	32.0	8 mos	5	31.0	28.3	30.2
9 mos	13	34.0	31.5	33.0	9 mos	12	32.8	29.5	31.1
10 mos	18	34.5	32.8	33.7	10 mos	10	32.5	30.0	31.5
11 mos	26	34.5	32.0	33.8	11 mos	28	35.0	30.0	31.9
1-2 yrs	130	36.3	31.3	33.9	1-2 yrs	71	34.5	29.0	31.9
2-3 yrs	40	36.8	30.5	34.0	2-3 yrs	46	34.5	29.8	31.9
3+ yrs	54	36.8	31.0	34.0	3+ yrs	48	34.3	29.5	31.8

Weight (lbs)
Males					Females
Age	# of IWs	Max	Min	Mean	Age	# of IWs	Max	Min	Mean
birth	35	1.8	0.6	1.2	birth	27	1.9	0.6	1.2
1 mo	20	14	8	10	1 mos	27	13	6	9
2 mos	22	37	23	30	2 mos	28	37	19	25
3 mos	18	56	41	45	3 mos	29	51	32	41
4 mos	13	82	45	71	4 mos	12	69	52	64
5 mos	10	97	67	83	5 mos	13	89	62	80
6 mos	16	110	80	96	6 mos	16	107	79	92
7 mos	8	117	95	106	7 mos	5	112	89	101
8 mos	5	126	100	114	8 mos	7	125	92	109
9 mos	11	135	106	120	9 mos	10	145	108	114
10 mos	9	143	105	126	10 mos	3	143	100	119
11 mos	9	138	113	130	11 mos	5	138	100	120
1-2 yrs	70	185	91	134	1-2 yrs	52	151	79	121
2-3 yrs	32	170	102	139	2-3 yrs	30	144	97	122
3+ yrs	36	172	107	145	3+ yrs	27	150	98	126

Illustrated Growth of a Male Pup Born in 2012

Age	Weight	Picture
birth	1 pound
4 weeks	8 pounds
8 weeks	23 pounds
12 weeks	66 pounds
6 months	101 pounds
12 months	147 pounds
15 months	164 pounds
18 months	179 pounds

This page was last updated 07/11/2021.