How old is your dog or cat in human years? Pick dog or cat, enter the age in years (decimals like 1.5 are fine), and for dogs choose a size. The tool gives you an estimate in human years using the modern rule of thumb.
The old “multiply by seven” rule doesn’t match how pets actually age. Dogs and cats grow up fast: the common modern estimate counts a pet’s first year as about 15 human years and the second year as about 9 more. After that, each year adds about 4 human years for a cat. For dogs it depends on size — about 4 years for small dogs, 5 for medium dogs, and 6 to 7 for large dogs, because bigger dogs tend to age faster. It’s an estimate, not a medical measure of your pet’s health.
How big will your puppy get? Enter your puppy’s current weight, age in weeks, and the size class you expect, and this tool gives a rough adult-weight range. It works for puppies from 8 to 52 weeks old. The result is an estimate, not a guarantee — breed, genetics, and mixed parentage all move the ... Read more
Open calculatorHow much should your dog or cat eat? Enter your pet’s weight in pounds and life stage, and this tool estimates daily calories and roughly how many cups of dry food that is. Treat the result as a starting point — every pet and every food is different. How this estimate works The tool starts ... Read more
Open calculatorWhat does a dog or cat really cost over its whole life? Pick dog or cat, choose a size for dogs, and adjust the expected lifespan if you like. The tool shows the first-year cost, the yearly cost after that, and a lifetime total — all as ranges, because prices vary by region, clinic, and ... Read more
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