1 cubic foot is 12 x 12 144 cubic inches.
Calculate square feet attic.
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.
A 50 x 30 attic would have a total area of 1 500 sq.
How to calculate the square feet of an attic step 1.
Of total vent space needed.
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.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
Stairways and closet areas are included in the square footage length.
Get fair costs for your specific project requirements.
Create a rough sketch of your attic on a piece of paper.
This will give you a visual representation of the.
Covered enclosed porches can only be included if they are heated using the same system as the rest of the house.
Ft divided by 150 equals 10 sq.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.
Calculate or enter the square footage of the attic or area to be vented.
The homewyse attic insulation calculator.
This free calculator estimates the square footage of a property and can account for various common lot shapes.
See professionally prepared estimates for attic insulation work.
Calculate the total vent area needed.
For example if your length is 40 feet and your width is 20 feet then 40 20 800 square feet.
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.
Measure the width of your attic space in feet.
Measure the length and width of each square and rectangular area of the attic floor and note the dimensions on.
If your roof is 1200 sq ft soffit floor space you will need 4 sq feet of roof ventilation.
In order to find the right calculator divide the attic floor space by 300 sq feet.
Finished attic square footage is included if an area has at least seven minimum feet of clearance.
Length x width of attic in feet 150 total sq.
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.