Everything you need to know about Kai Greene, featuring essential background.

So, how old is Kai Greene in 2021, and how tall and how heavy is he? Kai Greene, who was born on July 12, 1975, is 46 years old as of today’s date, September 11th, 2021. Despite his height of 5′ 8′′ in feet and inches and 172 cm in centimetres, he weighs between 250 and 285 pounds and 113 to 129 kg.