There can be no equivalence.
A foot is a measure of length or distance in 1-dimensional space while a square foot is a measure of area in 2-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, any attempt at conversion from one to the other is fundamentally flawed.
Foot and feet are the same measurement - foot is the singular of feet.
6 (as in one foot many feet)
40 foot = 40 feet
It would be about 56.5 feet.
1 feet = 1 foot
Feet is the plural term for foot. So 19 feet = 19 feet.
1 foot = 1 feet, feet is just the plural of the word foot. Similar to how you would say 1 goose or many geese.
By the arcane arts of mathematics, it can readily be determined that there are exactly 1.00 feet in a foot. Seriously, feet is the plural form of foot. A foot can only be a foot.
275 feet. A linear or lineal foot is the same as a foot.
A foot IS a linear measure so a foot is a linear foot. So 84 linear feet is 84 feet.
225 square feet
A linear foot IS a foot, so the answer is 2000