# Are Dog Years Real?

Despite the fact that there are several different systems for calculating the age of a dog, the most commonly accepted rule is that one dog year is equal to seven human years. This calculation is based on the fact that dogs age at a faster rate than humans. The average lifespan of a dog is ten years, whereas humans typically live to be about 70. In addition, certain breeds of dog have been known to live longer than others, like Great Danes and Mastiffs.

Until recently, the most popular calculation for determining dog years was to multiply the dog’s age by seven to get the equivalent human years. This is based on the average life spans of dogs and humans, as well as the fact that dogs are capable of giving birth in the first year of their lives.

However, the popular dog years rule has been discredited. Recent studies published in the Cell Systems journal have demonstrated that a dog’s age actually flattens out as it ages. It’s no longer necessary to multiply the dog’s age by seven, though. Instead, scientists used a new formula that relies on the mathematical concept of logarithms.

Using the logarithms of dogs and humans, the scientists developed a mathematical equation for calculating the age of a dog. They used data from 23,000 pet dogs to come up with an average lifespan for several different breeds. Their formula is more accurate than other methods of calculating dog years. However, it’s not as easy to use as the popular “multiply by seven” rule.