GrowthFeatured · Growth · 6 min min read
How fast do puppies grow? A week-by-week guide
From wobbly first steps to full-grown floof — here's exactly what to expect in every stage.
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How old is your dog in human years?
Forget the old "multiply by 7" rule! Real dog aging is non-linear and depends on breed size. Our calculator uses the latest veterinary research to give you an accurate human-year equivalent.
Science-backedVeterinary approvedSize-accurate
Enter Your Dog's Details
Medium breeds (20-50 lbs) - standard aging curve
Human Age Equivalent
64
Senior
💡
Your dog is entering their senior years. Regular vet checkups and a comfortable environment are important.
Why Size Matters
Different dog breeds age at different rates due to genetics and physiology
Small
Chihuahua, Yorkshire Terrier
Live longer lives, aging slower in later years
Medium
Beagle, Cocker Spaniel
Balanced aging pattern, standard lifespan
Large
Golden Retriever, German Shepherd
Mature faster, shorter overall lifespan
Giant
Great Dane, Saint Bernard
Age fastest, require extra care
Other calculators you may need
Continue exploring Pawteller’s tools to support your dog’s nutrition and growth.
Dog Food Calculator
Estimate daily calories and cups based on weight, life stage, and activity level.
Calculate Dog FoodDog Pregnancy Calculator
Track your dog's gestation timeline, key developmental milestones, and estimated due date.
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Keep Your Dog Healthy
Regular veterinary checkups, proper nutrition, exercise, and preventative care are essential for keeping your dog healthy throughout their life.
Schedule a Vet Checkup
GrowthHealth · 4 min min read
Decoding dog years: the science behind aging
Why the “multiply by 7” rule is wrong, and what to use instead.
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