4A0 paper size in feet

What is 4A0 paper size in feet ?

4A0 size in feet is 5.517x7.7998

The aspect ratio of an 4A0 paper is 1:1.41,The area of an 4A0 paper is 3999796 mm², Perimeter of an 4A0 paper is 8120 mm or 26.6336 feet, Diagonal line of an 4A0 paper is 2912.73 mm or 9.5537544 feet

Feet - In English-speaking countries, various ancient and modern units of length measurement based on the length of the human foot.1 foot= 0.0001893 miles=12 inches = 30.48 centimeters=0.3048 meters= 0.33333 yard