Flooring, tiles and carpet layouts.
Compare area packs with measured rows, borders and complete roll strips.
Choose the matching calculation
Flooring Calculator
Calculate flooring packs from your floor area and the coverage on your chosen pack.
Underlayment Calculator
Estimate underlay packs by effective area or rolls from room width and your specified seam overlap.
Trim Calculator
Estimate skirting or baseboard lengths after subtracting doorway gaps.
Tile Layout and Packs Calculator
Count a straight tile grid for each room using actual tile dimensions and specified joints.
Carpet Roll Length Calculator
Plan carpet strips by roll width, room direction and any specified pattern repeat.
Paver Pattern Module Calculator
Order different paver sizes together using a manufacturer-specified repeating module.
Tile Color Blend Pack Calculator
Order separate tile colors in an explicit area ratio while rounding each color’s packs independently.
Tile Border Layout Calculator
Count full border pieces along separate straight edges and supplied corner pieces.
Floor Plank Row Cut Calculator
Count boards and end offcuts when each row starts with a supplied staggered starter cut.
Floor Layer Height Calculator
Add specified layer thicknesses and compare a finished floor height to an adjoining threshold.
Carpet Seam Tape Calculator
Calculate the total joins between parallel carpet strips from an already selected strip layout.
Floor Transition Strip Calculator
Count whole threshold pieces for separate openings and identify pieces too short for one opening.
Specified Stair Runner Length Calculator
Turn specified riser, tread and landing runs into one runner length with separately entered end allowances.
Checkerboard Tile Purchase Calculator
Count an actual two-color alternating grid rather than splitting area equally.
Rotated Tile Grid Takeoff Calculator
Clip a rotated tile grid to the actual floor boundary and count edge cuts.
Measure and check your assumptions
An odd checkerboard does not split tile colors equally
Which color receives the extra position in an odd-by-odd layout?
Why rotated tile layouts need a boundary takeoff
Can area divided by tile area predict the number of source tiles for diagonal edges?
Equal room areas can require different carpet orders
Does a room’s shape affect fixed-width roll purchasing?
Use tile-plus-joint pitch consistently in a straight grid
Are joints between tiles being counted at both outside edges?
Underlay seam length changes with strip direction
Can two layouts use similar roll area but different seam-tape quantities?
Order paver types from a complete pattern module
Why must a multi-size paving pattern be ordered as compatible modules?
Round tile color packs separately
Why does rounding a combined tile area undercount a color blend?
Separate tread and riser counts in a covering takeoff
Can tread count be reused as riser count when ordering a surface covering?
Order runner length from the covered path
Why is horizontal stair run shorter than the continuous runner cut?
When to pool packs across work phases
Should you round each work phase separately or combine an order?
Separate plank starter cuts from end offcuts
Why does a specified staggered starter affect full-board purchasing?
Check a supplied floor build-up against available height
How can layer thicknesses be checked without selecting a floor assembly?
Keep the estimate within scope
Use your measured geometry and already supplied product specifications. Counts and quantities do not select a construction system or establish code compliance.
Collect chosen results in a free browser material project. Alternative scenarios remain separate orders.