How To Calculate Roof Area?

December 15, 2021


Yes, by calculating the area of the roof, you can get to know how much it is going to cost you for it. Having proper knowledge of how much it will cost to build up a new metal roof is a very beneficial thinking approach for you. A skilled roofing contractor will spend the time necessary to ensure that the take-off is correct. Proper measurements and attention to roof details help to minimize material shortages and additional costs. Also, an online roof pitch calculator by is designed to help you in determining the roof pitch accurately.

Anyhow, let us come to the point. In this article, we will be discussing the proper calculation of the roof area of your new house.

Keep scrolling!

Roof Area:

You can determine the exact roof area by subjecting to the free online roof pitch calculator. But when it comes to manually, you need to follow the formula below:

Roof Area = Length * Roof Slope Height

Things You Will Need:

While determining the roof area, you may need the following apparatus:

  • House square footage measurement
  • Roof pitch
  • A roof slope calculator for calculations
  • A measuring tape
  • Pen and paper

Sketching The Roof Outline:

Always go for calculating the ground measurements to calculate the roof area. Keep in mind that the longer side measurement will help you out in estimating the most appropriate results. But for the best accuracy, you can use a free roof pitch calculator.

Fill In Roof Details:

Dormers, hips, valleys, diagonal lengths, and protrusions or overhangs should all be measured and sketched. Chimneys, vents, skylights, and pipe diameters must be measured in order to determine the trims and flashings required for the task. For a better approximation, try using a free online roof pitch degree calculator.

Calculate The Pitch of The Roof:

A particular incline or steep that is created by the rafters is termed roof pitch. There are three methods of determining it:

  • Measure the angle that is formed between beam and the horizontal surface
  • Go for calculating the rise over run ratio in the form of x:12
  • Make a free use of the roof pitch calculator to do that for you instantly and precisely

Determine The Simple Roof Areas:

Multiplying the exhaust vent to ridge length by the exhaust vent length on a basic hip or gable roof will yield the area to be multiplied by the pitch factor. Coil, rather than partial shingle, is the finest way to complete roof vent holes. When using flat coil material, the ridge caps can lay flat and can also be made with an additional water stop at the ridge opening. In case you feel it difficult, give a try using the free online roof pitch calculator.

Calculate Complex Roof Areas:

Well, this step is very important and must be performed properly so as to avoid any error. This is because many houses are out there having steep roofs and hut-like structures that are not that easy to estimate. Remember that a skilled metal roofing contractor will need to factor in additional labour time for portions of your roof that need precision metalworking abilities.

Use Roof Pitch Calculator:

Make a use of the free roof angle calculator to determine the area of the roof accurately. Want to know how to use it? Let us go!

  • First of all, you need to enter the values of rise and run in the designated fields along with their selected units from the next drop down lists
  • Tap the calculate button and calculator does all the significant calculations for you in no time

Isn't it something of great benefit? Yes, it really is!

Wrapping It Up:

In this guidepost, we discussed how to calculate roof pitch and area either manually or by using a free online roof pitch calculator.


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