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Tools Measure the Area. To calaculate room square footage, first measure the dimensions of your space. ... Apply the Square Footage Formula. The next step in how to calculate square footage is to plug your measurements into the square footage formula: L x W = A ... Account for Odd Dimensions. ... Adjust for Waste. ...What is the formula for figuring square footage?
The formula to calculate the square footage of an area that is square or rectangular in shape is length multiplied by width equals the area's square footage. For example, if a rectangular shaped room measures 11 feet in length and 13 feet in width, 11 multiplied by 13 equals 143 square feet. The...How is the formula for square foot calculated?
Square footage for a circular area Measure the diameter of your circle in feet. To calculate the area of a circle we use the formula: π x (diameter/2) 2. That is to say π (pi is 3.14159265) multiplied by half the diameter squared. ... This gives you your square feet figure (ft 2 ). To work out your cost of materials, simply multiply this figure by your ' price per square foot '.How do you figure sq. feet?
The way to calculate a rectangular area is by measuring the length and width of your area then multiplying those two numbers together to get the area in feet squared (ft2). If you have on oddly shaped area, such as an L-shape, split it into square or rectanglualar sections and treat them as two separate areas.