Last Updated：2025/11/21
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Because the most common calculation uses a ratio of seven human years to one dog year, a four- or five-year-old dog is roughly as mature as a 28–30- or 33–35-year-old person.
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Because the most common calculation uses a ratio of seven human years to one dog year, a four- or five-year-old dog is roughly as mature as a 28–30- or 33–35-year-old person.
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Related words
dog year
Noun
informal
(informal)
A
period
of
time
in
the
life
of
dogs,
defined
such
that
the
average
life
expectancy
of
a
dog
in
"dog
years"
is
numerically
equivalent
to
the
average
life
expectancy
of
a
human.
A
4-
and
a
5-year-old
dog
are
about
as
mature
as
a
human
of
28
to
30
years
and
33
to
35
years,
respectively.
The
most
common
calcuation
uses
a
ratio
of
seven
dog
years
to
one
human
year.
Japanese Meaning
（非公式）犬の年齢を人間の年齢に換算する指標。一般的に、1人間年を7犬年として計算され、犬の成熟度や寿命を人間のそれと比較するために用いられる。
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