Caluculate Attic Volume

Wondering how much rainwater you could collect off your roof.
Caluculate attic volume. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Calculate volumes for concrete slabs walls footers columns steps curbs and gutters. However calctool s unit menus remove this issue doing all the unit conversion for you.
Please select the appropriate volume calculator below. Use this rainwater harvesting calculator to find the answer. This calculator will help you estimate hip roof parameters including rafters and roof area person outline anton schedule 2011 08 29 17 53 20 one of users asked us to create calculator which will help him estimate hip roof parameters like rafter s lengths roof rise and roof area. Calculate volume of square slab calculator use.
For more complex attic spaces draw a sketch of your space and divide the space into parts before performing the calculations. A 12 in 12 pitch is a. 512 490 0932 501 w powell ln 206 austin tx 78753 harvesting rain conserving water and managing stormwater in texas since 2004. Explore a number of housing related calculators as well as hundreds of other calculators covering topics such as finance math health fitness and more.
Up to 6 12 roof pitch use the standard formula as explained in this article. Dormer window flat roof. Generally as the roof pitch increases the volume inside the attic also increases along with the amount of needed attic ventilation. 7 12 to 10 12 roof pitches increase the amount of ventilation by 20 percent.
Lean to single pitch roof. Although this calculation is simple in principle the units can make it a headache. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Here you can easily find how much rainwater you can collect from you roof how much you need to remove from a courtyard or how much runoff you can expect from an area of land.
Here s a rule of thumb to follow. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. To accurately calculate the area of your roof you must first determine its slope or pitch. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.