Hip Roof Estimator

Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results.

Hip roof estimator.

Select the following information by using the drop downs to enter values in feet and inches. Here is the online hip roof area calculator which helps you calculate the hip roof parameters such as roof rise common and hip rafters length and roof area based on width height of roof base and the roof pitch identical for all sides. If this distance measures 4 inches you have a 4 in 12 pitch. Hip roof square footage calculator calculate the square footage area of a hip roof the square footage of a hip roof area is identical to the square footage of a gable roof of the same size.

From your average hip roof calculator to something more specific like a hip roof rafter calculator there is plenty to consider with this kind of calculation. To get results you need to provide roof base dimensions length and width and roof pitch we assume it is identical for all sides. Easy rafters does not calculate a complete four sided hip roof but rather calculates the common hip and jack rafters for one end of a hip roof. A hip roof is a rectangular roof that slopes on all four sides.

Span for the main rafters measure from outside of wall to outside of wall. The top ridge will be shorter for a hip roof but the 4 hips will add to the amount of ridge capping needed and because of the angles the amount of waste will be higher than for a similar sized gable roof. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same as common. A regular hip has equal slopes on all sides while an irregular hip has different slopes on the main roof and hip end roof.

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. If you are trying to undertake this all yourself then you should really be looking for the most effective way of working out things like the hip roof square footage. They must must be on the same level. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof.

All formulae are below the calculator. To do this your best bet is definitely finding a good hip roof construction calculator so that you can work it all out in a timely and simple fashion. Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same as common. The hip roof framing calculator returns the value of the main rafter the side rafter the length of the hip the height of the knee wall and the lengths of the jack rafters.

A hip roof s square footage is equal to that of a gable roof with the same dimensions. Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries. 8 inches and you have an 8 in 12 pitch.

Calculate the amount of asphalt or fiberglass shingles needed to cover a hip roof. The only difference in this calculation to the one for a gable roof area is the amount of the ridge.