Surfaces · 3 min read
Floor Area: the method, worked through
A rectangular floor area is the starting point for many material takeoffs.
30 illustrated guides
The project notebook
Work through the formula, compare a few scenarios and know where the model stops.
Surfaces · 3 min read
Understanding room perimeter
Room perimeter supports planning for skirting, trim and wall runs.
Surfaces · 3 min read
Wall Area: from inputs to a useful answer
Net wall area removes doors and windows from a simple rectangular elevation.
Surfaces · 3 min read
A practical guide to whole-room wall area
Four wall faces can be estimated from room perimeter and uniform height.
Finishes · 3 min read
How paint quantity works
Paint volume connects surface area, coat count and product coverage.
Finishes · 3 min read
Paint Can Count: the method, worked through
Whole-can purchasing rounds a calculated volume up to the next available pack.
Finishes · 3 min read
Understanding tile quantity
A tile takeoff divides the ordered coverage by the face area of one tile.
Finishes · 3 min read
Tile Box Count: from inputs to a useful answer
Packaging coverage converts a material-area estimate into purchasable boxes.
Finishes · 3 min read
A practical guide to laminate pack count
Flooring is usually purchased in complete packs rather than exact square metres.
Finishes · 3 min read
How wallpaper strip count works
Counting full-height strips is the first stage of a wallpaper estimate.
Finishes · 3 min read
Wallpaper Roll Count: the method, worked through
Usable full strips per roll determine the number of complete wallpaper rolls.
Finishes · 3 min read
Understanding skirting board count
A linear takeoff converts trim length into stock board quantities.
Volumes · 3 min read
Rectangular Slab Volume: from inputs to a useful answer
A uniform slab volume follows its plan area multiplied by thickness.
Volumes · 3 min read
A practical guide to concrete bag count
Bagged material yield translates a volume requirement into a whole-bag order.
Volumes · 3 min read
How circular pad volume works
A circular pad uses disk area times uniform depth.
Volumes · 3 min read
Trench Excavation Volume: the method, worked through
A rectangular trench volume estimates the in-place material to remove.
Volumes · 3 min read
Understanding gravel volume
A gravel layer is estimated as area times settled depth.
Volumes · 3 min read
Aggregate Mass: from inputs to a useful answer
Bulk density converts a volume estimate into a mass-based order.
Earthworks · 3 min read
A practical guide to soil expansion
Excavated material often occupies a larger loose volume than it did in place.
Earthworks · 3 min read
How haul load count works
A volume-based haul count rounds up partial final loads.
Landscaping · 3 min read
Rectangular Paver Count: the method, worked through
Paver face area provides a basic count for a regular surface.
Landscaping · 3 min read
Understanding border stone count
A straight edging run can be converted into repeated stone units.
Landscaping · 3 min read
Fence Panel Count: from inputs to a useful answer
A modular fence run is divided into panel-sized spans.
Landscaping · 3 min read
A practical guide to fence post count
One isolated straight run needs a post at both ends and one between adjacent panels.
Landscaping · 3 min read
How deck board count works
Parallel boards and their gaps determine how many fit across a deck.
Landscaping · 3 min read
Deck Linear Metres: the method, worked through
Multiplying board count by run length estimates the total linear material.
Boards · 3 min read
Understanding sheet material count
Sheet coverage gives a quick purchasing estimate for a surface.
Boards · 3 min read
Stud Position Count: from inputs to a useful answer
Regular spacing plus both endpoints gives a simple count along one run.
Boards · 3 min read
A practical guide to insulation pack count
Pack coverage converts a measured area into purchasable insulation quantities.
Geometry · 3 min read
How roof slope length works
A straight slope forms the hypotenuse of a triangle with horizontal run and rise.
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