Construction calculators for live decisions.
Estimate steel weights, concrete volumes, material quantities, safety exposure, labour cost, markup, delivery capacity and programme duration from one searchable construction tools library.
31
Calculators
15
Categories
Result Exports
A scalable tools library.
9 calculators
Steel & Fabrication
Steel Weight Calculator
Estimate steel section weight using length, cross-sectional area and steel density.
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Plate Weight Calculator
Calculate steel plate weight from length, width, thickness and density.
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SHS Weight Calculator
Estimate square hollow section weight using side size, wall thickness and length.
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RHS Weight Calculator
Estimate rectangular hollow section weight from outside dimensions, wall thickness and length.
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CHS Weight Calculator
Estimate circular hollow section weight from diameter, wall thickness and length.
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Angle Iron Weight Calculator
Estimate equal angle steel weight from leg size, thickness and length.
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Flat Bar Weight Calculator
Calculate flat bar weight from width, thickness, length and density.
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Round Bar Weight Calculator
Calculate round bar weight from diameter, length and material density.
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Bolt Quantity Calculator
Calculate bolt counts for repeated rows, plates, brackets and connection schedules.
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3 calculators
Concrete
Concrete Volume Calculator
Calculate concrete volume for slabs, pads and rectangular pours.
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Concrete Mix Calculator
Estimate cement bags, sand and aggregate volumes for a simple site-mixed concrete ratio.
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Rebar Quantity Calculator
Estimate reinforcement bar count, total length and weight for a simple slab grid.
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1 calculator
Groundworks
0 calculators
Roofing
This category is ready for future calculators as the library expands.
0 calculators
Electrical
This category is ready for future calculators as the library expands.
0 calculators
Mechanical
This category is ready for future calculators as the library expands.
0 calculators
Plumbing
This category is ready for future calculators as the library expands.
1 calculator
Painting
5 calculators
Health & Safety
Manual Handling Calculator
Create a simple manual handling risk score from load, frequency, distance and twisting.
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Noise Exposure Calculator
Estimate daily noise exposure from sound level and exposure duration.
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HAVS Calculator
Estimate hand-arm vibration A(8) exposure from vibration magnitude and trigger time.
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Ladder Angle Calculator
Check ladder angle and vertical reach using ladder length and wall distance.
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Working at Height Calculator
Screen work-at-height task risk using height, duration, people and control rating.
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0 calculators
Lifting
This category is ready for future calculators as the library expands.
2 calculators
Site Planning
5 calculators
Materials
Material Quantity Calculator
Estimate material quantity from area, usage rate and waste allowance.
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Brick Calculator
Estimate brick quantity from wall area, bricks per square metre and waste.
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Block Calculator
Estimate block quantity from wall area, blocks per square metre and waste.
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Plasterboard Calculator
Estimate plasterboard sheet quantity from area, sheet size and waste.
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Insulation Calculator
Estimate insulation pack quantity from area, pack coverage and waste.
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2 calculators
Productivity
1 calculator
Project Planning
2 calculators
Quantity Surveying
Connected Tools
Turn estimates into controlled workflows.
Each calculator links to relevant articles, templates, Zektrx software modules, pricing and free-account routes so practical answers can become repeatable records.