Flooring Square Footage Calculator
Add multiple rooms, calculate each room's area, and estimate base square footage for hard surface flooring or carpet planning.
General flooring planning: hard surface and carpet base square footage
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Tools
Flooring calculators
Choose a calculator below to estimate the most common material planning questions before a flooring project.
Flooring Waste Calculator
Estimate extra hard surface flooring material for cuts, layout choices, damage, and future repairs.
Hard surface material planning: LVP, laminate, hardwood, tile, and similar products
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Stair Flooring Calculator
Estimate square footage for stair treads and risers using stair count, tread depth, riser height, and stair width.
Stairs: carpet, runners, hard surface treads, risers, and stair material planning
Carpet Seam Planner
Estimate carpet drops, seam likelihood, and approximate carpet roll area based on room size and carpet roll width.
Carpet only: broadloom carpet roll layout and seam planning
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Pattern Repeat Calculator
Estimate extra material for patterned flooring or carpet when repeat size can increase layout waste.
Patterned carpet and patterned hard surface products
Transition Estimator
Estimate total linear feet of transitions for doorways, openings, reducers, end caps, and related trim.
Hard surface transitions: T-molds, reducers, end caps, thresholds, and stair noses
Related guides
Not sure which calculator to use?
If the project starts with a flooring problem, open the closest troubleshooting hub first, then come back to measurements.
Open Problem FinderStart here if you know what the floor is doing but not which material category fits.Movement problemsClicking, lifting, separating, buckling, peaking, gaps, hollow sounds, and squeaks.Moisture problemsSwelling, cupping, crowning, humidity, slab moisture, wet subfloors, and acclimation concerns.Concrete floor problemsSlab moisture, cracks, flatness, adhesive release, hollow spots, and product compatibility.