Calculate Square Feet Attic

How to calculate the square feet of an attic step 1.

Calculate square feet attic.

Measure the width of your attic space in feet. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. 1 cubic foot is 12 x 12 144 cubic inches. See typical tasks and time to insulate an attic along with per unit costs and material requirements.

Length x width of attic in feet 150 total sq. Create a rough sketch of your attic on a piece of paper. Determine total cost given a rate per square foot or explore hundreds of other calculators covering topics such as math finance fitness health and more. Calculate or enter the square footage of the attic or area to be vented.

Measure the length and width of each square and rectangular area of the attic floor and note the dimensions on. The homewyse attic insulation calculator. 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 ft 2. Next multiply the 4 square feet into cubic inches.

Finished attic square footage is included if an area has at least seven minimum feet of clearance. See professionally prepared estimates for attic insulation work. This free calculator estimates the square footage of a property and can account for various common lot shapes. Calculate the total vent area needed.

Of total vent space needed. This will give you a visual representation of the. Stairways and closet areas are included in the square footage length. A 50 x 30 attic would have a total area of 1 500 sq.

Measure the length and width of the attic floor space to be ventilated. The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. Multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed. Covered enclosed porches can only be included if they are heated using the same system as the rest of the house.

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. In order to find the right calculator divide the attic floor space by 300 sq feet. If your roof is 1200 sq ft soffit floor space you will need 4 sq feet of roof ventilation. For example if your length is 40 feet and your width is 20 feet then 40 20 800 square feet.