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Metal Canopy Frame Calculator

metal frame calculation online
Span length, L mm
Post spacing, B mm
Height, H mm
Number of purlins pcs
load on the frame
Qsnow kg/m²
Qwind kg/m²
G4 kg/m²
frame section
Post section 1
Beam section 2
Purlin section 3
Post steel grade
Beam steel grade
Purlin steel grades
Structure Type +/- Strength margin Stability/ Deflection Max stability/ Max deflection
Post {{nomer_stoyki}} {{zapas_prochn_stoyki}}% {{yst_stoyki}} 1
Beam {{nomer_balki}} {{zapas_prochn_balki}}% {{progib_balki_polych}} mm {{progib_max_balki}} mm
Purlin {{nomer_progona}} {{zapas_prochn_prog}}% {{progib_prog_polych}} mm {{predel_progib_prog}} mm


This Metal Canopy Frame Calculator is designed to accurately compute the structure of a metal canopy frame, including the design of steel trusses and supporting elements. Ideal for contractors and engineers planning to build a metal canopy, this tool enables you to optimize the construction parameters based on span and load requirements without the immediate need for specialist consultation—saving both time and money.

Main features of the calculator:

  • Calculation of the canopy geometry, including span length, post spacing, and overall height.
  • Input of critical loads: snow load, wind load, and permanent load from roofing materials.
  • Selection of steel sections and grades for posts, beams, and purlins, covering rectangular tubes, channels, I-beams, and angles.
  • Optimization of the structural elements for strength, minimal deflection, and stability.

Using the calculator is straightforward:

  1. Step 1 "Geometry": Define the primary dimensions of the canopy—length, width, and height.
  2. Step 2 "Loads": Enter the values for snow, wind, and permanent loads.
  3. Step 3 "Section": Specify the type and dimensions of the metal elements used in the frame.
  4. Step 4 "Result": View the detailed calculation outcomes including strength and stability metrics.

This Metal Canopy Frame Calculator will assist you in designing a robust metal canopy frame and selecting optimal materials tailored to your project's specific requirements. Share your results and this efficient tool with colleagues and friends to support their construction endeavors.