How thick is the ice that covers Antarctica? July 31, 2020November 10, 2011 by Pamela Landy The continent Antarctica is almost completely covered with an ice sheet that is about 6,500 feet thick. Related Answers What Kurt Vonnegut character invented ice-nine? How thick is the crust of the earth? How much skin covers the human body? What does Haagen-Dazs mean and who was the ice cream named after? Which continent is the most populous? Which ice hockey player holds the lifetime record for scoring goals?