Hip roof calculator
This calculator will help you estimate hip roof parameters, including rafters and roof area
One of our users asked us to create a calculator that would help him estimate hip roof parameters, such as rafter lengths, roof rise and roof area.
So, here it is. To get results you need to provide the roof base dimensions (length and width) and the roof pitch (we assume it is identical for all sides). All formulae are below the calculator.
Here we consider two types of hipped roofs (see picture):
1) Pyramid hip roof – the roof base is a square, roof sides are identical isosceles triangles
2) Hip roof – the roof base is a rectangle, two sides are identical isosceles triangles and two sides are identical trapeziums.
- Roof rise:
- Common rafters:
- Hip rafters: - pythagoras theorem
- Roof area:
Here you can calculate the hip roof parameters by hip raise and base parameters.
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