A square measurement is the two-dimensional derivative of a linear measure, so a square foot is defined as the area of a square with sides 1 ft in length. Definition: In metric terms a square foot is a square with sides 0.3048 metres in length. One square foot is the equivalent to 0.09290304 square metres.
Square footage is calculated by multiplying width by length. So if a room is 5 foot wide by 5 foot long, 5 x 5 = 25 square feet.
For example, a room that is 50 feet long and 20 feet wide could occupy 1,000 square feet. A triangular room that contains one right angle and has a length of 40 feet and a width of 50 feet could also occupy 1,000 square feet.
Square footage is calculated by multiplying width by length. So if a area is 24 foot wide by 24 foot long, 24 x 24 = 576 square feet.
A square inch (plural: square inches) is a unit of area, equal to the area of a square with sides of one inch. The following symbols are used to denote square inches: square in. sq inches, sq inch, sq in. inches^2, inch^2, in^2.
Square footage is calculated by multiplying width by length. So if a area is 20 foot wide by 30 foot long, 20 x 30 = 600 square feet.
Otherwise, based on these tables (for Douglas fir or southern pine posts and a combined live and dead load of 50 psf), a 4-foot-tall 4x4 post could carry a maximum tributary area of 256 square feet, but a 4x4 that's 10 feet tall (the maximum allowed height) could carry only 36 square feet.
Board Foot: Rough sawn lumber is usually sold by the "board foot" (bd. ft.). A board foot is equal to a piece of wood 12 inches long x 12 inches wide and 1 inch thick, or 144 cubic inches. To figure the board foot measurement of a piece of wood, multiply the length x width x thickness in inches, then divide by 144.
A cubic foot is the space occupied by a cube with 1 foot width, length and height. This Cubic Feet Calculation for Wood helps you to find the volume (v) of lumber in CFT based on the length (l), width (w) and thickness (t).
Now measure each door and window for height and width. Multiply height times width to get the square footage of each, and total all the doors and windows.
Because it rolls out 500 feet, its then considered 500 linear feet. when you want the square foot conversion it's 500 feet times 3 feet wide. 500 x 3 equals 1500 square feet.