Dog Years to Human Years

A 1-year-old dog is about 15 human years, and by age 10 that’s roughly 56–79 depending on size.

The old ×7 rule is wrong. Dogs age fast early then slow, and larger dogs age quicker. Here is the full AVMA size-based chart.

Dog age	Small	Medium	Large	Giant
1	15	15	15	15
2	24	24	24	24
3	28	28	28	28
4	32	32	32	32
5	36	36	36	36
6	40	42	45	49
7	44	47	50	56
8	48	51	55	64
9	52	56	61	71
10	56	60	66	79
11	60	65	72	86
12	64	69	77	93
13	68	74	82	100
14	72	78	88	107
15	76	83	93	114
16	80	87	99	121

Calculate your dog's exact age

Age (years)Size

Enter your dog's age to see its human-equivalent age and life stage.

Dog age	Small	Medium	Large	Giant
1	15	15	15	15
2	24	24	24	24
3	28	28	28	28
4	32	32	32	32
5	36	36	36	36
6	40	42	45	49
7	44	47	50	56
8	48	51	55	64
9	52	56	61	71
10	56	60	66	79
11	60	65	72	86
12	64	69	77	93
13	68	74	82	100
14	72	78	88	107
15	76	83	93	114
16	80	87	99	121

Dog age	Small	Medium	Large	Giant
1	15	15	15	15
2	24	24	24	24
3	28	28	28	28
4	32	32	32	32
5	36	36	36	36
6	40	42	45	49
7	44	47	50	56
8	48	51	55	64
9	52	56	61	71
10	56	60	66	79
11	60	65	72	86
12	64	69	77	93
13	68	74	82	100
14	72	78	88	107
15	76	83	93	114
16	80	87	99	121

Dog age	Small	Medium	Large	Giant
1	15	15	15	15
2	24	24	24	24
3	28	28	28	28
4	32	32	32	32
5	36	36	36	36
6	40	42	45	49
7	44	47	50	56
8	48	51	55	64
9	52	56	61	71
10	56	60	66	79
11	60	65	72	86
12	64	69	77	93
13	68	74	82	100
14	72	78	88	107
15	76	83	93	114
16	80	87	99	121