On the AAHA canine age chart that weight falls in up to 20 lb or 21–50 lb. The calculator on this page is the PawCalculator dog age calculator: 16 × ln(age) + 31, with the senior threshold set from the medium size class. The table is the AAHA chart, which changes with weight class, so the two numbers answer different questions.
Reading the numbers
At 10 years the chart reads 56–60 human years. That is 2 human years older than the up-to-20-lb line on the same chart (56).
The listed lifespan is 13–15 years, so a 10-year-old is still inside the published range.
AAHA age chart
Human years below are copied from the verified breed_human_age rows for this breed, not from the calculator formula.
Kromfohrlander age in human years by the AAHA weight class
Swipe sideways to read every column.
Dog age
Weight class
Human years
1
up to 20 lb or 21–50 lb
15
2
up to 20 lb or 21–50 lb
24
3
up to 20 lb or 21–50 lb
28
4Current age
up to 20 lb or 21–50 lb
32–33
5
up to 20 lb or 21–50 lb
36–37
6
up to 20 lb or 21–50 lb
40–42
7
up to 20 lb or 21–50 lb
44–47
8
up to 20 lb or 21–50 lb
48–51
9
up to 20 lb or 21–50 lb
52–56
10
up to 20 lb or 21–50 lb
56–60
11
up to 20 lb or 21–50 lb
60–65
12
up to 20 lb or 21–50 lb
64–69
13
up to 20 lb or 21–50 lb
68–74
14
up to 20 lb or 21–50 lb
72–78
15
up to 20 lb or 21–50 lb
76–83
The highlighted row follows the dog age in the calculator above.
Frequently asked
Questions from the breed record
On the AAHA chart, a 1-year-old Kromfohrlander is 15 human years in the up to 20 lb or 21–50 lb weight class.
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