Dog Age Calculator+

How old is your dog, really? A dog's age isn't simply seven human years per year — it depends on size and life stage. My Dog Age Calculator gives you a realistic, size-aware estimate in seconds.

Enter your dog's birth date or current age, pick their size, and instantly see their age in human years along with their life stage — from puppy to senior. Save a profile for every dog you love and keep their details in one beautiful, easy-to-use place.

WHAT YOU CAN DO

• Convert your dog's age to human years using a size-aware model (small, medium, large, giant)
• See both human age and real age at a glance
• Discover the current life stage: puppy, junior, adult, mature, senior, geriatric
• Create a profile for each dog with photo, breed, size and birth date
• Get a friendly reminder on every dog's birthday
• Switch between light and dark themes
• Available in 47 languages

WHY YOU'LL LOVE IT
Clean, modern design. Fast and simple. Perfect for new puppy parents and lifelong dog lovers alike — whether you have one dog or a whole pack.

Note: Age results are estimates for general guidance and are not a substitute for professional veterinary advice.