11 dog years to human years by size
| Dog size | Human age | Life stage |
|---|---|---|
| Small (20 lb or less) | 60 | senior |
| Medium (21 to 50 lb) | 65 | senior |
| Large (51 to 100 lb) | 72 | senior |
| Giant (over 100 lb) | 86 | senior |
The old "multiply by seven" rule would say 77. The DNA-based formula from UC San Diego (16 × ln(11) + 31) gives 69. That formula was built on Labradors, so it fits medium and large dogs best.
What 11 looks like for a dog
At eleven, small dogs are around 60 in human years while giant dogs are well past 80. Lifespan really does depend on size.
Frequently asked questions
How old is a 11 year old dog in human years?
Between 60 and 86 human years. Small dogs (under 20 lb) are about 60, medium dogs 65, large dogs 72 and giant breeds 86.
Is a 11 year old dog a senior?
For a small dog, no (senior). For a large dog it is yes, and for a giant breed it is yes.