Dog Age Chart

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A Dog's Age in Human Years
Age	Up to 20 lbs	21-50 lbs	51-90 lbs	Over 90 lbs
5	36	37	40	42
6	40	42	45	49
7	44	47	50	56
8	48	51	55	64
9	52	56	61	71
10	56	60	66	78
11	60	65	72	86
12	64	69	77	93
13	68	74	82	101
14	72	78	88	108
15	76	83	93	115
16	80	87	99	123
17	84	92	104	Purple numbers = Senior Red numbers = Geriatric
18	88	96	109
19	92	101	115
20	96	105	120
Chart developed by Dr. Fred L. Metzger, DVM, State College, PA. Courtesy of Pfizer Animal Health.

Last updated: 3/30/2006 4:05 PM CST