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To calculate an object's square footage, first measure the height and length. Ensure the height and length have the same units, then multiply them together to find the square footage.


To calculate square footage using an online calculator, enter the length and width of the rectangle. Calculatorsoup.com and Calculator.net contain square footage calculators, with the latter one also including square footage calculators for triangles and circles.


The area of a circle is determined by the formula: A = π r2. You can easily calculate the area of a circle in under a minute. All you need is a calculator, a circle to measure and a tool with which to measure, such as a ruler.


To use a square footage calculator to measure a room, first find its length and width measurements, either in feet or feet and inches. Input the measurements into the corresponding boxes of the calculator, and then hit Calculate. For example, using the calculator on Green Home Solutions' website, gh


To calculate square footage of rectangular floor space, determine the length and width of the rectangular space in feet, then multiply them together. If floor space is not a perfect rectangle, break the space up into rectangles, calculate the area of each rectangle, and find the sum of the combined


To calculate the square footage of a square or rectangle, measure the length and width of the area in feet, then multiply length by width to determine square footage. Different formulas are used to calculate the square footage of different shapes.


The United States Census states that the average square footage of a house is 2,598 square feet. The average house size has increased by more than 1,000 square feet in the last 40 years.


Calculate the square footage of the room by measuring the length and width, rounding up to the nearest half-foot, and then multiplying these numbers to get the number of square feet. Rooms with non-rectangular shapes require additional calculations.


To figure out the square footage of an area, one must first measure the sides of the area or the diameter of the area if the area is round. Then, depending on the shape of the area, the appropriate formula must be applied to determine the square footage.


To measure the square footage of a room, use a measuring tape to determine both the width and the length of the room, and then multiply the length of the room by the width of the room. Materials needed include a tape measure.