Calculation of gable roof — Construction calculators online

Calculation of gable roof

Specify sizes
Type of roof
Vapor barrier (membrane)
roofing Sheets
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

  • Angle: 43.4 °
  • Length: 468.2 mm
  • Width: 900 mm
  • Square: 84.284 m2
  • Angle a saw cut: 46.6 °
  • Размер спила: 14.2 mm
  • Length: 482.4 mm
  • Width: 15 mm
  • Thick: 5 mm
  • Length of roof: 468.2 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: 55.1 mm
  • Depth washed down the pole (horizontally): 5 mm
  • Depth gash along the wall (vertically): 4.7 mm
  • Width: 15 mm
  • Thick: 15 mm
  • Length: 900 mm
Vapor barrier (membrane)
  • Total length: _ mm
  • Number of lanes: 12 pcs.
Distance between rafters
  • S1: 40 mm
  • S2: 30 mm
  • S3: 60 mm
  • S4: 60 mm
  • S5: 60 mm
  • S6: 60 mm
  • S7: 60 mm
  • S8: 60 mm
  • S9: 60 mm
  • S10: 60 mm
  • S11: 60 mm
  • S12: 60 mm
  • S13: 60 mm
  • S14: 15 mm
  • S15: 30 mm
  • S16: 40 mm
distance between the sheathing boards
  • L1: 50 mm
  • L2: 50 mm
  • L3: 50 mm
  • L4: 50 mm
  • L5: 50 mm
  • L6: 50 mm
  • L7: 50 mm
  • L8: 28.2 mm

Materials of construction

roofing Sheets
  • Width: 125 mm
  • Length: 250 mm
  • Leaves: 32 pcs.
  • Square: 100 m2
  • Width: 15 mm
  • Length: 482.4 mm
  • Thick: 5 mm
  • Number: 34 pcs.
  • Volume: 1.23 m3
  • Width: 5 mm
  • Length: 468.2 mm
  • Thick: 3 mm
  • Number: 34 pcs.
  • Volume: 0.239 m3
  • Width: 10 mm
  • Length: 900 mm
  • Thick: 2.5 mm
  • Number: 18 pcs.
  • Volume: 0.405 m3
  • Width: 15 mm
  • Length: 900 mm
  • Thick: 15 mm
  • Number: 2 pcs.
  • Volume: 0.405 m3
Vapor barrier (membrane)
  • Width: 100 mm
  • Length: 1000 mm
  • Rolls: 1 pcs.
  • Square: 10 m2
  • Thick: 15 mm
  • Volume: 8.366 m3

Specified dimensions

  • Units: 1 mm
  • Colour scheme: 1 mm
Type of roof
  • Hard: 1 mm
  • Soft: 0 mm
  • Height: 300 mm
  • Overhang: 40 mm
  • Release: 50 mm
  • Set the rafter on edge: 1 mm
  • Install the rafter at the wall: 1 mm
  • Width: 600 mm
  • Length: 800 mm
  • Wall thickness: 30 mm
  • Wall height: 400 mm
  • Width: 15 mm
  • Thick: 15 mm
  • Washed down: 5 mm
  • Width: 15 mm
  • Thick: 5 mm
  • Step: 60 mm
Vapor barrier (membrane)
  • Width: 100 mm
  • Length: 1000 mm
  • Overlapping above: 15 mm
  • Overlap side: 15 mm
  • Thick: 3 mm
  • Width: 10 mm
  • Thick: 2.5 mm
  • Step: 50 mm
  • Width: 125 mm
  • Length: 250 mm
  • Thick: 1.4 mm
roofing Sheets
  • Width: 125 mm
  • Length: 250 mm
  • Overlapping above: 15 mm
  • Overlap side: 10 mm
Choose saving method
Download PDF

Download PDF-file with images of drawings and 3D projection, as well as the detailed calculation results and materials.

Download PNG

ZIP-archive with PNG-files of drawings and 3D projection of the current scene.

Download OBJ

OBJ-file with elements of the scene. Such file can be opened in 3ds Max, ArchiCAD, AutoCAD or other programs for working with 3D graphics.

Send by e-mail

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).

30 дней БЕЗЛИМИТНЫХ скачиваний
365 дней БЕЗЛИМИТНЫХ скачиваний
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.
    • Subscription Umelec enables access to detailed drawings and calculations, provides the ability to save and download any of the calculations of unlimited the number of times for the duration of your subscription.
    • Subscription Profi allows you to set the drawings of your logo or off are available. Enables access to detailed drawings and calculations, provides the ability to save and download any of the calculations ofunlimited the number of times for the duration of your subscription.
  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.

Download DEMO:

Select the subscription for additional features Kalk.Pro

All the proceeds will be used to develop new calculators and improve the functionality of existing ones.

More information about subscriptions can be found here.
Our calculator on your website
A unique and handy tool — Construction calculators online
A unique and handy tool

The calculator will work directly on your site. We do not entice yourself to your visitors, and actually give you a convenient and useful tool.

The benefits to you and your visitors — Construction calculators online
The benefits to you and your visitors

Increase the number of visitors by placing our widgets on your site. Users will recommend Your website to, once a successful experience.

To gain popularity — Construction calculators online
To gain popularity

Place the widget on the website or in the publications of your blog. Users will come back again because our calculators are simple and comfortable.

Easy to set up and install — Construction calculators online
Easy to set up and install

You can install on your website any of the available widgets calculator. Just select, copy the code and install the website.

Find out what they are capable widget here

Or improve your website right now and start getting more customers!


Ask questions: how to calculate a gable roof, its size, the materials and basic design elements?

Our online calculator roof system will calculate a gable roof:

  • calculate the length of rafters a gable roof
  • the number of rafters
  • the calculation of the sheathing on the roof
  • the number of sheet roofing materials (such as corrugated sheet, metal tile, slate)

For the formation of calculation calculator a gable roof you need to measure and enter in the appropriate boxes of the following sizes:


The section (thickness x width) and the pitch of the rafters depends on the angle of the roof, its type, length stropilnoj feet, maximum short-time withstand major loads, and the type and weight of roofing, and even to some extent the width of the insulation. If you don't know where to get standard parameters of the rafters and sheathing, will help our article " Optimal cross-section, a step of sheathing and rafters depending on the roof type ".

The calculator performs the calculation of the materials to the roof, starting from the entered size of roofing sheet and calculated values of the roof area. Quantity of roofing materials for the roof, boards and lumber for roof system, we recommend to buy with a small margin, it is always better to take the remains to the hardware store than to pay a bunch of money for shipping is not grabbing a pair of boards.

Be careful! How exact quantities you make, so reliable online calculator will calculate a gable roof.

Simplify your calculations and save time, the program will draw a plan of rafters a gable roof and displays the results of the calculation of the gable roof for the entered data in the form of a drawing of a gable roof at different angles, and its interactive 3d model.

On the tab " 3 D – View ", you can better see your future gable roof into a volumetric representation. In our opinion, visualization in construction – really need the ability.

Tab " Save " will help you not to lose designed you design the roof. Send the calculation of the roof a gable roof in the mail, save in one of the selected formats, or bookmark.

If you have a project gable roof with different slopes, you need to calculate using the calculator twice, once for each slope separately.


See also in the category «Roof»:
Rate this page:
(estimate: 4, votes: 38)
What do you think about the calculator?