There can be no conversion.
A foot is a measure of length in 1-dimensional space while a square foot is a measure of area in 2-dimensional space. The two measure different characteristics and, according to the most basic principles of dimensional analysis, any attempts at comparisons or conversions between the two are fundamentally flawed.
Just about 400
400 square feet
I'm going to say 400.
400 square feet (20 x 20 = 400)
400 square meters are 4.3 thousand square feet.
400 sq cm equals 0.43 square feet.
400 square feet. This is an easy calculation - just multiply the length in feet by the width in feet. The answer is the number of square feet.
400 square feet = 44.4 square yards.
400 square feet.
Answer: 160,000 square feet = 3.67309 acres
400 square feet = 37.16 square meters.
25 x 16 = 400 square feet.