Construction
Shuttering Area: Count the Surfaces That Touch Concrete
Formwork quantity is a contact area. It is not the concrete volume, and it is not automatically the area of plywood you…
Category: Construction
Construction
Water Tank Capacity: Measure Inside and Name the Gallon
The useful volume of a tank comes from its internal dimensions. Outside width, wall thickness and a nominal product label can describe…
Construction
Excavation, Spoil and Backfill Are Three Different Quantities
The space removed from the ground, the loose spoil on a vehicle and the space left around a foundation are not interchangeable.…
Construction
Cft, Cubic Metres and Gallons: Match the Quote to the Volume Unit
Volume conversions are useful only when both sides mean the same physical quantity. The Whatson Construction Volume Converter changes units; it does…
Construction
Marla, Kanal and Square Feet: Keep the Local Definition Visible
“Five marla” needs a square foot definition before it can be converted accurately. The Whatson Pakistan Area Converter makes that choice explicit…
Construction
Measuring a Plot: Use the Right Geometry Before Converting to Marla
The Whatson Land Area Calculator can estimate a rectangle, triangle or trapezoid from the dimensions you enter. The result is only as…
Construction
Planning a Stair Flight: Read Risers, Treads and Run Together
A staircase can reach the required height and still fail to fit the available space. The Whatson Staircase Calculator shows total rise,…
Construction
Counting Bars in a Specified Mesh: Cover and Spacing Change the Total
Mesh quantity can be estimated only after the reinforcement arrangement has been specified. The Whatson Rebar Mesh Quantity Calculator counts bars in…
Construction
Steel Bar Weight: Check Diameter, Length and the Meaning of “12”
A 12 mm diameter and a 12 m bar length are unrelated measurements. The Whatson Steel Bar Weight Calculator gives each its…
Construction
Roof Sheets with Overlaps: Work Out Rows Before Adding Spares
A sheet’s labelled size is not the area it adds after overlapping the previous sheet. The Whatson Roof Sheet Calculator accounts for…