Calculation of rafters for a gable roof — Construction calculators online

Calculation of rafters for a gable roof

Specify sizes
Map
DU
cm
CL
color
Roof
H
W
C
Rafter
RG
RW
RT
Error calculationPlease check your input
the Calculator will be available after changes in the relevant parameters.
Click "Calculate" to open the options window.
Select projection:

Calculation results

Roof
  • Angle: 43.4 °
Rafter
  • Angle a saw cut: 46.6 °
  • Размер спила: 14.2 mm
  • Length: 496.2 mm
  • Width: 15 mm
  • Thick: 5 mm
  • Length of roof: 482 mm
  • Length from ridge to drinking: 413.2 mm
  • Length from the bottom from the ridge up to gash: 406.3 mm
  • Length from washed down to the end of the overhang: 68.9 mm
  • Depth washed down the pole (horizontally): 5 mm
  • Depth gash along the wall (vertically): 4.7 mm

Materials of construction

Rafter
  • Width: 15 mm
  • Length: 496.2 mm
  • Thick: 5 mm
  • Объём: 0.037 m3

Specified dimensions

Map
  • Units: 1 mm
  • Color drawing: 1 mm
Roof
  • Height: 300 mm
  • Width: 600 mm
  • Overhang: 50 mm
Rafter
  • Washed down: 5 mm
  • Width: 15 mm
  • Thick: 5 mm
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Send an e-mail that includes: PDF-file of current calculation, ZIP-archive with PNG-images of drawings and OBJ-file of 3D-projection of current scene. This method combines other three save methods (PDF+PNG+OBJ).

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Bookmark
Keep a reference to the result of the calculation in the section "My bookmarks" in your account.

How to save the calculation on your computer?

  1. Pick up the necessary parameters for the calculation.
  2. Select the appropriate "Method of preservation".
  3. Select "payment Option" for granting access to:
    • Subscription "Newbie" enables access to detailed drawings and calculations. The preservation of each unique calculation is charged separately. In accordance with price list. Any purchased you can re-calculate the free to download an unlimited number of times. The list of "Saved calculations" available at Personal account.
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  4. After successful payment, access to the results of the calculation will be downloaded to Your PC or sent to your mail (which You used for registration), depending on the selected "type of save".
  5. Usually save the results of calculation do not exceed 1 minute.

In case of problems when saving the results of the calculation, please send us a bug report through the form feedback contact page.

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Help

Online calculator produces an accurate calculation of the rafters online (calculates the sizes of rafters for the roof: the length of rafters, length overhang, the angle of the saw cut, the distance to drinking). The drawings and the size of the rafters are generated in real-time.

The calculator provides online calculate the length of rafters a gable roof. The calculation of the shed roof rafters run another calculator.

In the "select dimensions" you need to make the roof by selecting appropriate units of measurement. The image clearly shows all the options you want.

 

Required for calculating rafter dimensions:

  • The roof height is the distance from the level of the "floor" of the attic to the roof ridge.
  • Roof width — distance between the points of support of the rafters. This is usually the edge of the mauerlat on the external side of the wall.
  • Roof overhang — the distance from the edge of the wall to the edge of the roof.
  • Width rafter width rafter boards (usually 10 - 15 cm).
  • Thickness rafter thickness rafter boards (usually 5 cm)
  • Gash depth is the distance from the edge of the Board to the extreme end of drinking (can't do more than 1/3 of the width of the rafter Board)

To mark the distance from the edge of roof boards to be washed down only at the angle of a saw cut which gives You calculator rafters.

After pressing the button "Calculate", the calculator rafters displays the results of the calculation on the specified data on the drawing of the rafters and the volume tab view.

The calculated sizes of the rafters may vary slightly during construction due to the presence of errors on the construction site. Please consider this nuance, and before getting to the truss system as a whole, make one of the rafter which will be used later as a template.

On the tab "3D view" is a three-dimensional model of the finished rafters, which can be viewed from all sides: rotate, move, zoom in, zoom out. To move the model of the rafters first, place the cursor over the model, hold down the right mouse button, then move. Rotation patterns of the rafters happens hold down the left mouse button. To zoom in/zoom out scroll the mouse wheel.

On the tab "Save" for your convenience, the calculation of the truss legs can be printed, saved in a convenient format, and send e-mail.

The thickness of the rafters is determined by the loads on the truss system, of the step between the rafters, length of rafters, etc. To determine the thickness of the rafters there's a useful article on our website the Correct calculation of the roof system.

Calculator rafter gable roof will help to simplify an independent calculation to determine the basic dimensions and the volume of material required for construction of rafters a gable roof.

 

See also in the category «Roof»:
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