Interactive Mini Apps & Calculators Apps
Select any Interactive Mini App or Calculator below
Rebar Weight
Steel Rebar Weight & Bars
Tube Steel Weight
RHS / SHS / Pipe Weight
Truss Calculator
Roof Truss & Structure
Brick Calculator
Bricks, Mortar & Cement
Painting Calculator
Paint Litres & Coverage
Tile Calculator
Floor & Wall Tiles
Ceiling Calculator
Gypsum & Suspended Ceiling
Concrete Calculator
Concrete Volume & Mix
Design & Estimation Assistants
Explore our suite of preliminary design tools to calculate stage fees or estimate structural sizes instantly. No login required.
Architect Fee Calculator
RIBA StandardCalculate standard stage allocations, percentage fees, or rates per square meter following RIBA Plan of Work. Estimate project resources, overhead, profit margins, and print professional proposals.
Structural Size Checker
Preliminary EstimatorQuickly estimate preliminary column and beam sizes (Concrete & Steel) based on grid spans, floor counts, and building usage. Helps architects layout layouts accurately before engineering phase.
PDF Combine & Page Removal
Browser PDF SuiteMerge multiple architectural drawings into a single PDF, remove unwanted pages, reorder sequence, and rotate pages with zero server upload wait times.