FAQs/Age.htm

Question 7: How old is my cat/dog in human years?

Answer: Our pets age at varying rates depending on a number of factors including species (cat versus dog) and size. The information summarized in the table below is based on data provided by IDEXX Laboratories and Fred L. Metzger, DVM, DABVP.

Juvenile	Adult	Senior	Geriatric

FELINE AGE	0-20 lbs	CANINE AGE	0-20 lbs	20-50	50-90	>90
1	7	1	7	7	8	9
2	13	2	13	14	16	18
3	20	3	20	21	24	26
4	26	4	26	27	31	34
5	33	5	33	34	38	41
6	40	6	40	42	45	49
7	44	7	44	47	50	56
8	48	8	48	51	55	64
9	52	9	52	56	61	71
10	56	10	56	60	66	78
11	60	11	60	65	72	86
12	64	12	64	69	77	93
13	68	13	68	74	82	101
14	72	14	72	78	88	108
15	76	15	76	83	93	115
16	80	16	80	87	99	123
17	84	17	84	92	104	131
18	88	18	88	96	109	139
19	92	19	92	101	115
20	96	20	96	105	120
21	100	21	100	109	126
22	104	22	104	113	130
23	108	23	108	116
24	112	24	112	118
25	116	25	116	120


Juvenile	Adult	Senior	Geriatric