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Pet years

A medium dog at 5 is 39 human years. A cat at 5 is 36.

Why this exists

Year 1 is 15 and year 2 is 24. A medium dog then adds 5 each year. A medium dog at 5 is 5, 39.

The age page counts a person's age from a birth date. This page only turns a dog or cat age into human years.

  1. 01How to use it

    Choose dog or cat, enter the age, and the human years appear.

    Small, medium, and large show only for a dog.

    Copy puts the number, such as 39, on the clipboard.

  2. 02What you get

    A medium dog at 5 is 39.

    A cat at 5 and a small dog at 5 are 36.

    A large dog at 5 is 42.

    EnteredMedium · 5

    Medium dog 5 39
    Cat 5 36
    Large dog 5 42
    0 stops
  3. 03Worth knowing

    An age under 1 year is outside this chart.

    Closing the tab clears the age.

    Nothing is sent to a server.

Questions

QWhat is a medium dog at 5?
A39 human years. The written pair is 5, 39.
QWhat about a cat?
AA cat at 5 is 36. A cat has no size.
QDoes this examine the animal?
ANo. It is a counting chart.
QIs this the age page?
ANo. That page counts a person's birth date.

How this page works it out

This page turns a dog or cat age into human years. Year 1 is 15 and year 2 is 24 for every animal. From year 3 a small dog adds 4 each year, a medium dog adds 5, and a large dog adds 6. A cat adds 4. A medium dog at 5 is 24 plus 5 three times, which is 39, written 5, 39. A cat at 5 is 36.

A large dog at 5 is 42. A small dog at 5 is also 36. Age runs from 1 to 25, and under 1 year, 0, 26, and 1.5 stop. Size is chosen only for a dog.

The chart counts years. It does not examine an animal. The age page counts a person's age from a birth date. The count stays in this browser, and closing the tab clears the age. Nothing is sent to a server.

  • # dog years
  • # cat years
  • # human years
  • # size