Free construction tools
Calculators, room planner, checklists, and planning tools for site and at the hardware store. Built for builders, homeowners, and trades across East Africa.
Flooring
Finishes
Paint Calculator
Estimate paint litres and tins for interior walls, exterior walls, or ceilings — with coats and coverage rate.
Plaster Calculator
Estimate plaster bags for walls or ceilings using area, thickness, and coverage per bag.
Wallpaper Calculator
Estimate wallpaper rolls for a single wall or whole room — roll size, pattern repeat, and wastage.
Structure
Concrete Calculator
Calculate concrete volume for slabs and pads. Add thickness, wastage, and optional bag counts.
Brick & Block Calculator
Estimate blocks or bricks for a wall, including mortar joints, openings, wastage, and pack counts.
Beam Span Estimator
Rule-of-thumb span-to-depth guide for timber or reinforced concrete beams — consult an engineer for real designs.
Roofing
Estimating
Planning
Room Layout Planner
Sketch a floor plan on a grid, place doors and fixtures, and get instant area and perimeter — export PNG or JSON.
Renovation Checklist Generator
Pick a project type and get a sequenced, printable renovation checklist — kitchen, bathroom, paint, and more.
Color Palette Visualizer
Preview wall colours on a sample room and get trim, ceiling, and accent suggestions.
Project Timeline Builder
Generate a phased Gantt-style timeline for typical renovation and build projects.
Material Bundle Export
Combine tile, paint, and concrete estimates into one PDF shopping list for your project.