Ernő Rubik
So, how old is Ern Rubik in 2021, and how tall and how heavy is he? Ern Rubik, who was born on July 13, 1944, is 77 years old as of today’s date, September 1, 2021. Despite his height of 5′ 7′′ in feet and inches and 176 cm in centimetres, he weighs 163 pounds or 74 kilograms.