Calculate your dog's age

Your Dog's Age in Human Years

The true way to calculate a dog's age depends on the size of the dog and its approximate weight.
Smaller and medium sized dogs live longer than large sized dogs.

● grey = senior ● orange = geriatr

How Old Is My Dog in "Human Years"?
Pet's Age	Pet's Size (in pounds)
Pet's Age	0-20 lbs	21-50 lbs	51-90 lbs	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
18	88	96	109
19	92	101	115
20	96	105	120

Based on a chart developed by Fred L. Metzger, DVM, Dipl. ABVP; State College, PA