Hip roof calculator (rafters, truss, angle, area, etc) - 3D, detailed drawings

Hip roof calculator (rafters, truss, angle, area, etc) - 3D, detailed drawings

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Calculation results

Wall plate, inferior purlin (main roof side)
  • Width: 15 mm
  • Thickness: 15 mm
  • Length: 1000 mm
  • Wall plate cut depth (drop amount): 3.54 mm
Wall plate, inferior purlin (hip end side)
  • Width: 15 mm
  • Thickness: 15 mm
  • Length: 570 mm
Building
  • Building width: 600 mm
  • Building Length: 1000 mm
  • Wall height: 400 mm
  • Wall thickness: 30 mm
Roof
  • Roof height: 300 mm
  • Eave overhang (soffit): 50 mm
  • Roof angle (pitch): 43.67 °
  • Roof area (square): 107.735 m2
Ridge board (beam)
  • Ridge depth: 15 mm
  • Length: 405 mm
  • Ridge thickness: 5 mm
Coomon rafter, king common
  • Common rafter plumb cut angle: 46.33 °
  • Common rafter plumb cut depth: 14.32 mm
  • Common rafter lumber length: 494.77 mm
  • Rafter depth: 15 mm
  • Thickness: 5 mm
  • Actual rafter length (ridge plumb cut - tail cut): 480.45 mm
  • Rafter length from ridge to H.A.P (height above birdsmouth): 411.32 mm
  • Length from ridge plumb cut to seat cut (underside): 404.4 mm
  • Tail or eave length (tail cut - birdsmouth heel cut): 69.13 mm
  • Plumb cut (heel cut): 4.77 mm
  • Seat cut (level): 5 mm
Hip rafter
  • Hip cut angle: 55.98 °
  • Hip rafter plumb cut depth: 10.13 mm
  • Total rafter lumber length: 603.07 mm
  • Depth: 15 mm
  • Thickness: 5 mm
  • Actual rafter length (ridge plumb cut - tail cut): 592.95 mm
  • Rafter length from ridge to H.A.P (height above birdsmouth): 504.61 mm
  • Length from ridge plumb cut to seat cut (underside): 500.8 mm
  • Tail or eave length (tail cut - birdsmouth heel cut): 88.33 mm
  • Plumb cut (heel cut): 2.13 mm
  • Seat cut (level): 3.16 mm
  • Hip rafter backing cut depth (amount of drop): 3.02 mm
Jack rafters (cripple rafter)
  • Jack rafters spacing: 60 mm
  • Jack rafter cut angle: 46.33 mm
  • Jack rafter plumb cut depth: 14.32 mm
  • Length (with overhang): 494.77 mm
  • Jack rafter depth: 15 mm
  • Thickness: 5 mm
  • Tail or eave length (tail cut - birdsmouth heel cut): 69.13 mm
  • Birdsmouth plumb or heel cut: 4.77 mm
  • Birdsmouth seat cut (level): 5 mm
  • Jack rafter cut depth - for jack rafter to hip rafter connection: 6.91 mm
Roofing battens (lath)
  • Batten cut angle: 54.12 °
  • Batten cut depth (drop amount): 7.23 mm
  • Thickness: 2.5 mm
  • Width: 10 mm
  • Battens spacing: 30 mm
Roofing underlayment
  • Width: 100 mm
  • Length: 1000 mm
  • Number of strips: 5 pcs.
Jack rafters spacing
  • s1: 60 mm
  • s2: 60 mm
  • s3: 60 mm
Jack rafters length
  • s1: 392.6 mm
  • s2: 302.74 mm
  • s3: 212.87 mm
  • s4: 123 mm
Common rafters and king common spacing
  • c1: 65 mm
  • c2: 60 mm
  • c3: 60 mm
  • c4: 60 mm
  • c5: 60 mm
  • c6: 65 mm
Batten spacing
  • D1: 30 mm
  • D2: 30 mm
  • D3: 30 mm
  • D4: 30 mm
  • D5: 30 mm
  • D6: 30 mm
  • D7: 30 mm
  • D8: 30 mm
  • D9: 30 mm
  • D10: 30 mm
  • D11: 30 mm
  • D12: 23.9 mm
Roofing battens dimensions (hip end)
  • L1: 703.45 mm
  • L2: 645.59 mm
  • L3: 587.73 mm
  • L4: 529.86 mm
  • L5: 472 mm
  • L6: 414.14 mm
  • L7: 356.28 mm
  • L8: 298.41 mm
  • L9: 240.55 mm
  • L10: 182.69 mm
  • L11: 124.82 mm
  • L12: 66.96 mm
  • L13: 17.92 mm
Roofing battens dimensions (main roof)
  • L1: 1103.27 mm
  • L2: 1045.41 mm
  • L3: 987.55 mm
  • L4: 929.69 mm
  • L5: 871.82 mm
  • L6: 813.96 mm
  • L7: 756.1 mm
  • L8: 698.23 mm
  • L9: 640.37 mm
  • L10: 582.51 mm
  • L11: 524.65 mm
  • L12: 466.78 mm
  • L13: 417.74 mm
Roofing material (hip end)
  • ST1: 125 x 250 mm
  • ST2: 125 x 250 mm
  • ST3: 125 x 250 mm
  • ST4: 125 x 250 mm
  • ST5: 125 x 250 mm
  • ST6: 125 x 250 mm
  • ST7: 13.45 x 250 mm
  • ST8: 125 x 248.9 mm
  • ST9: 125 x 248.9 mm
  • ST10: 125 x 248.9 mm
  • ST11: 18.51 x 248.9 mm
Roofing material (main roof)
  • ST1: 125 x 250 mm
  • ST2: 125 x 250 mm
  • ST3: 125 x 250 mm
  • ST4: 125 x 250 mm
  • ST5: 125 x 250 mm
  • ST6: 125 x 250 mm
  • ST7: 125 x 250 mm
  • ST8: 125 x 250 mm
  • ST9: 125 x 250 mm
  • ST10: 68.27 x 250 mm
  • ST11: 125 x 248.9 mm
  • ST12: 125 x 248.9 mm
  • ST13: 125 x 248.9 mm
  • ST14: 125 x 248.9 mm
  • ST15: 125 x 248.9 mm
  • ST16: 125 x 248.9 mm
  • ST17: 73.33 x 248.9 mm

Materials for construction

Wall plate, inferior purlin (hip end side)
  • Width: 15 mm
  • Thickness: 15 mm
  • Length: 570 mm
  • Number: 2 pcs.
  • Total length: 1140 mm
  • Wood volume: 0.257 m3
Wall plate, inferior purlin (main roof side)
  • Width: 15 mm
  • Thickness: 15 mm
  • Length: 1000 mm
  • Number: 2 pcs.
  • Total length: 2000 mm
  • Wood volume: 0.45 m3
Ridge board (beam)
  • Ridge depth: 15 mm
  • Ridge thickness: 5 mm
  • Length: 405 mm
  • Number: 1 pcs.
  • Wood volume: 0.03 m3
Common rafters, king common
  • Depth: 15 mm
  • Thickness: 5 mm
  • Total rafter lumber length: 494.77 mm
  • Number: 16 pcs.
  • Total length: 7916.28 mm
  • Wood volume: 0.594 m3
Hip rafters
  • Depth: 15 mm
  • Thickness: 5 mm
  • Total rafter lumber length: 603.07 mm
  • Number: 4 pcs.
  • Total length: 2412.29 mm
  • Wood volume: 0.181 m3
Jack rafters (cripple)
  • Depth: 15 mm
  • Thickness: 5 mm
  • Number: 32 pcs.
  • Total length: 8249.67 mm
  • Wood volume: 0.619 m3
Counter-batten (lath)
  • Width: 5 mm
  • Thickness: 3 mm
  • Total length: 18296.53 mm
  • Wood volume: 0.274 m3
Roofing battens (lath)
  • Width: 10 mm
  • Thickness: 2.5 mm
  • Total length: 28956.96 mm
  • Wood volume: 0.724 m3
Roofing underlayment
  • Width: 100 mm
  • Total length: 11050 mm
  • Area: 110.5 m2
  • Number of rolls: 12 pcs.
Roof covering materials (sheets or pieces)
  • Width: 125 mm
  • Length: 250 mm
  • Number: 53 pcs.
  • Area: 165.625 m2
Roof insulation materials
  • Thickness: 15 mm
  • Volume: 11.392 m3

Initial parameters

Display
  • Units of length: cm mm
  • Technical drawings color: paint mm
Type of roofing material
  • Hard (f.e. shingles or metal roofing): 1 mm
  • Soft (f.e. membrane roofing): 0 mm
Roof
  • Roof height: 300 mm
  • Eave overhang (soffit): 50 mm
Building
  • Building width: 600 mm
  • Building Length: 1000 mm
  • Wall thickness: 30 mm
  • Wall height: 400 mm
Wall plate (inferior purlin)
  • Width: 15 mm
  • Height: 15 mm
Rafter
  • Birdsmouth seat cut: 5 mm
  • Rafter depth: 15 mm
  • Rafter thickness: 5 mm
  • Rafters spacing: 60 mm
Roofing underlayment
  • Width: 100 mm
  • Length: 1000 mm
  • Headlap: 0 mm
  • Sidelap: 15 mm
Counter-batten (lath)
  • Thickness: 3 mm
Roofing battens (lath)
  • Width: 10 mm
  • Thickness: 2.5 mm
  • Battens spacing: 30 mm
Sheeting OSB board
  • Width: 125 mm
  • Length: 250 mm
  • Thickness: 1.4 mm
Roof covering materials (sheets or pieces)
  • Width: 125 mm
  • Length: 250 mm
  • Headlap (overlap from above): 15 mm
  • Sidelap: 10 mm
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Feedback about the calculator
Help

Correctly calculated hipped roof (hip roof) will minimize the cost of materials and ensure durability and maximum safety of the roof of the house. Recourse to a professional is definitely the best solution. But every homeowner can independently cope with this problem using the hip roof calculator kalk.pro.

Kalk.pro provide dimensional calculatios only, it doesn't perform any structural calculations (load-bearing). You are responsible for ensuring that your roof meets all local building codes and laws (international) and that your structural design is ok (your roof construction is capable of resisting all applied loads).

 

The free service will allow you to easily get all the required design parameters for this type of roof. You don't need deep knowledge of how to calculate a hip roof, you can use the algorithm developed by our programmers. It takes into account all the nuances that may arise during the designing process and hip roof framing.

Calculator of hipped roof will allow you to properly plan the whole construction process, help to resolve all issues related to the reliability of the roof truss system and roof structure in general.

The specifics of the program

In our online calculator of the hip roof truss system we use equal angles between the base of the roof and side and end slopes. Requested to fill in certain fields primary dimensions:

  • Linear features of the building – length, width, wall parameters;
  • The dimensions of the roof — width and length of the base, desired height, the length of overhangs;
  • Data for calculating rafters of a hip roof and battens – width, thickness and angles;
  • The settings of sheeting - OSB board, are only for soft types of roof;
  • Roofing sheets and information on roofing underlayment.

Explanations of the results of hipped roof calculations

After you enter the numbers, hit "Calculate" and get the following:

  1. Calculation of the hip roof truss system with a detailed drawing of the whole structure in general (with dimensions) and final data,
    • The sizes of all the rafters of a hip roof separately (slope, diagonal, etc.);
    • The calculation of counter-battens and roof battens;
    • Calculation of inferior purlins or wall plates (top plates) in a detailed final drawing.
    • Calculation of the hipped roof area (square).
  1. The total volume of lumber for the rafters, battens (wood volume);

  2. Drawings of all types of rafters separately;

  3. The hip roof layout diagram (hip, jack, common and king common rafters positions);

  4. Drawings of the complete hipped framing system from different angles;

  5. Interactive 3D model of a hip roof for clarity.

The lengths of  hip, jack and common rafters are given in the calculation results and drawings with overhangs (tails, eaves).

With our program you do not need to think about how to calculate the hipped roof area for the purchase of necessary materials, all data is available in our calculator kalk.pro. Save to bookmark, share with friends - useful tool will be always at hand.

Calculate hip roof online - save time and money for necessary materials purchasing, get a detailed list of all hip roof elements dimensions for your future roof construction.

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Feedback about the calculator
Specify dimensions
Display
DU
cm
CL
color
Type of roofing material
UH
US
Roof
TH
TC
Building
HW
HL
HC
HH
Wall plate (inferior purlin)
MW
MT
Rafter
RG
RW
RT
RS
Roofing underlayment
DW
DL
DT
DS
Counter-batten (lath)
CT
Roofing battens (lath)
LW
LT
LS
Sheeting OSB board
OW
OL
OT
Roof covering materials (sheets or pieces)
SW
SL
ST
SS