RHS Weight Calculator.
Estimate rectangular hollow section weight from outside dimensions, wall thickness and length.
Connected to Zektrx
Use this result as a planning estimate, then create controlled Zektrx records for tasks, templates, evidence, actions, pricing and delivery.
Instant Results
RHS weight
22.42kg
Estimated total RHS weight.
Weight per metre
22.42kg/m
Estimated linear weight.
Explanation
What this calculates
Wall thickness is deducted from each side to estimate the hollow internal area.
Formula
Area = outside rectangle - inside void; weight = area x density x length
Inputs are validated on screen and converted where unit options are available.
Worked Example
Example result
A 6 m length of 150 x 100 x 6 mm RHS weighs about 136.45 kg.
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Templates
Document the result
Software
Turn it into a workflow
Fabrication Management Software
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Learn before you act.
More related articles are planned for this section.
Calculator questions.
Should I round up material orders?
Yes. Allow for offcuts, cut lengths, fabrication waste and supplier stock lengths.
Is the result suitable for lifting plans?
Use it as an estimate only. Confirm actual weights before preparing lift plans.
Next Step
Make estimates part of the job record.
Zektrx connects calculators, templates, articles, evidence, actions, pricing and free trial routes so one-off estimates can become repeatable contractor workflows.