The calculator can be utilized by anyone that knows the loading criteria of their application and whether the tube will be used as a beam or column. This calculator will compute the acceptable Allied galvanized steel tubing product size based on length and load criteria.

Calculator on your Phone

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Use your phone or other mobile device to view this calculator in your device’s browser, then follow the prompts to add it as an icon!

Specify Size and Load Requirements

Length/Height: in. ft.

Load lbs

Specify Engineering Criteria for Selecting Tube

Select Tube based on Simple Beam LOAD

Select Tube based on Simple Beam LOAD, but limit deflection to Length/360

Select Tube based on Column Buckling Property


Select Tube Allowed for Replacement

Limit Selection to Common Construction Sizes (specific shapes only)

Use Any Size (all round, squares, rectangles, flat-sided ovals)

Select Desired Output

Thinnest Allowable Gauge, or
Every Gauge

Size Summary, or
Detailed Report

O.D. Size fraction (if appropiate), or
O.D. Size as Decimal

Calculator Results Disclaimer

The results provided herein were generated using recognized engineering principles and are for informational purposes only. All information is provided as is, exclusive of any warranty, including, without limitation, any implied warranty of merchantability, fitness for a particular purpose, or any other warranty, whether expressed or implied. This information may not be used or relied upon for any specific application without competent professional examination and verification of its accuracy, suitability or applicability by a licensed professional engineer. The section property and load values provided herein are based on nominal material thickness and square corners. The calculated section property values do not comply with the AISI or AISC specifications since minimum material thickness and rounded corners were not used. If gross and effective section property values are required, please contact Allied Tube & Conduit®’s Mechanical Tube & Pipe Division. The undersigned agrees to indemnify and hold harmless Allied and its directors, officers, employees, agents, representatives and affiliates from any claims, damages or costs asserted against Allied arising out of any unauthorized use of this information.