What is this hub?
An interior calculator hub groups tools for floors, walls, ceilings, tile assemblies, drywall, carpet, grout, and setting materials.
Calculator hub
Interior Calculators.
Interior calculators help estimate sheets, rolls, cartons, bags, seams, coverage, and waste for room-based projects.
Why use these tools?
Interior work often depends on room shape, openings, seams, layout direction, carton coverage, sheet size, and finish waste.
How to choose
Use square footage or room size first if dimensions are unclear, then choose flooring, carpet, tile, drywall, grout, or thinset based on the material system.
Available calculators
Choose a interiors tool
Flooring Calculator
Measure floor area and material quantities for tile, wood, or vinyl installs.
Open calculatorTile Calculator
Calculate tile counts, carton quantities, and coverage for floors and walls.
Open calculatorDrywall Calculator
Estimate drywall sheet count and coverage for walls, ceilings, and room layouts.
Open calculatorCarpet Calculator
Estimate carpet purchase area, roll usage, seams, and linear footage for room layouts.
Open calculatorThinset Calculator
Estimate thinset mortar bags for tile installs using area, trowel coverage, waste, and back-buttering allowance.
Open calculatorGrout Calculator
Estimate grout bags for tile installs using area, tile size, joint width, joint depth, grout type, and waste.
Open calculator
Common questions
Should I use flooring or square footage first?
If you only need area, start with square footage. If you need material quantities, use a flooring, carpet, tile, drywall, grout, or thinset calculator.
Why do interior calculators ask about waste?
Waste covers cuts, layout changes, damaged pieces, seams, offcuts, and pattern matching. Rooms with many corners usually need more waste.