How Old is Your Dog?
The "7 human years per dog year" rule is a myth. Scientific aging depends heavily on a dog's size and breed type.
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Small
Up to 20 lbs
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Medium
21 - 50 lbs
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Large
51 - 100 lbs
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Giant
Over 100 lbs
5
kg
Equivalent Human Age
36 yrs
Adult Phase
Daily Calorie Recommendation
650 kcal
Maintenance Energy Requirement
Health Level Prime Condition
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Why Body size?
Large breeds age much faster than small breeds. A 10-year-old Great Dane is a senior, while a 10-year-old Chihuahua is still middle-aged.
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First 2 Years
Nearly all dogs reach adolescence by 1 (15 human years) and reach early adulthood by 2 (24 human years), regardless of size.
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Aging Markers
Science monitors biological markers in DNA to calculate aging. Our tool tracks these latest veterinary benchmarks.