To what age can you expect to live? There are many factors, and no accurate prediction can be made. Undoubtedly, genetic factors are important, and this utility is based on the age to which your nearest blood relatives lived. This will be of no value where one or more of the relevant family members are still living. An adjustment has been incorporated to allow for the large increase in overall life expectancy in the last few decades The new version takes into account all grandparents