How to Measure1) Square or RectangleFormula
Area = L x W Example
Area = 90 feet x 50 feet The following illustration reduces the area to be sodded around the house (A, B, C) and the backyard (D) to rectangles. Example Area A = 50' x 10' = 500 sq. ft.; Area B = 30' x 10' = 300 sq. ft.; Area C = 50' x 10' = 500 sq. ft.; Area D = 40' x 30' = 1200 sq. ft. Sod Needed: A (500 sq. ft.) + B (300 sq. ft.) + C (500sq. ft.) + D (1,200 sq. ft.) = 2,500 sq. ft. 2) Oval, Egg Shapes and CirclesFormula
Area = 0.8 L x W Example
Area = 0.8 x 60 feet x 40 feet Formula
Area = πR^{2} Example
Area = 3.14 x 30 feet x 30 feet The half circle backyard has a radius of 30 feet. A complete circle would be π 30^{2} or 3.14 x 30 ft. x 30 ft. = 2,826 sq. ft. Half would be 1,413 sq. ft. Sod Needed: A + B + C (1,300 sq. ft.) + D (1,413 sq. ft.) = 2,713 sq. ft. 3) Irregular ShapesFormula Measure the length of the longest axis across the area. Every 10 feet along the length, measure the width of the area at right angles to the length line. Total all widths and multiply by 10. Example
Area = 40 feet + 30 feet + 50 feet x 10 4) TrianglesFormula
Area = 0.5 x B x H Example
Area = 0.5 x 25 feet x 25 feet = 312.5 square feet x 2 5) TrapezoidFormula
Area = 0.5 x (A + B) x H Example
Area = 0.5 x A + B (100 feet) x H (30 feet) Sod Needed: A + B + C (1,300 sq. ft.) + D = 2,800 sq. ft. 6) Unusual ShapesFormula Divide area into sections of regular geometric shapes, calculate area of individual sections, then total. Example
Triangle 0.5 x B (15 feet) x H (30 feet) = 225 square feet So Needed: 225 sq. ft. + 1,350 sq. ft. + 127 sq. ft. = 1,702 sq. ft. |
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