There’s an old myth that to work out a dog’s age in “dog years”, you just need to multiply the number of calendar years by seven. However everyone knows that while this can make sense for dogs in the mid years of life, it doesn’t work for very young animals, or for very old dogs.
Read my latest article in the the Daily Telegraph to discover the latest, best ways to work out your dog’s age in a way that compares to human age.
Please note that I am unable to answer veterinary questions in comments. If you have questions or concerns about your pet's health it is always better to contact your vet.