Dog years to cat years
Type a value in dog yrs to get it in cat yrs instantly.
5.375cat yrs
That's 1.56× as old as a young adult, while an adult in their forties is 1.07× older. Based on veterinary tables, not the old "times seven" rule.
What it means
How old is that really?
Based on the standard veterinary tables: 15 human years for the first year, 9 for the second, then a rate that depends on size.
The math
How to convert dog yrs to cat yrs
Not a simple multiplication: the first year counts 15 human years, the second adds 9, and each year after adds 4.5 to 7.5 depending on the dog’s size.
Example: 5 dog yrs = 5.375 cat yrs.
The table below is for this size: Small dog (under 10 kg).
Every unit
Your pet’s age every way
Tables
dog yrs to cat yrs conversion table
| dog yrs | cat yrs |
|---|---|
| 0.5 dog yrs | 0.5 cat yrs |
| 1 dog yrs | 1 cat yrs |
| 1.5 dog yrs | 1.5 cat yrs |
| 2 dog yrs | 2 cat yrs |
| 3 dog yrs | 3.125 cat yrs |
| 4 dog yrs | 4.25 cat yrs |
| 5 dog yrs | 5.375 cat yrs |
| 6 dog yrs | 6.5 cat yrs |
| 7 dog yrs | 7.625 cat yrs |
| 8 dog yrs | 8.75 cat yrs |
| 10 dog yrs | 11 cat yrs |
| 12 dog yrs | 13.25 cat yrs |
| 15 dog yrs | 16.625 cat yrs |
| 18 dog yrs | 20 cat yrs |
cat yrs to dog yrs conversion table
| cat yrs | dog yrs |
|---|---|
| 0.5 cat yrs | 0.5 dog yrs |
| 1 cat yrs | 1 dog yrs |
| 1.5 cat yrs | 1.5 dog yrs |
| 2 cat yrs | 2 dog yrs |
| 3 cat yrs | 2.88889 dog yrs |
| 4 cat yrs | 3.77778 dog yrs |
| 5 cat yrs | 4.66667 dog yrs |
| 6 cat yrs | 5.55556 dog yrs |
| 7 cat yrs | 6.44444 dog yrs |
| 8 cat yrs | 7.33333 dog yrs |
| 10 cat yrs | 9.11111 dog yrs |
| 12 cat yrs | 10.8889 dog yrs |
| 15 cat yrs | 13.5556 dog yrs |
| 18 cat yrs | 16.2222 dog yrs |
Quick answers
Quick answers
- How many cat yrs is 1 dog yrs?
- 1 dog yrs is 1 cat yrs.
- How many cat yrs is 10 dog yrs?
- 10 dog yrs is 11 cat yrs.
- How many cat yrs is 5 dog yrs?
- 5 dog yrs is 5.375 cat yrs.
The units
About these units
Dog years (dog yrs)
Your dog’s actual age in calendar years.
Cat years (cat yrs)
A cat’s actual age. Cats age more evenly than dogs after year two.
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