Finishes & interior calculators

Drywall, paint, tile, flooring, trim, insulation, siding and more — how many sheets, boxes, rolls and tubes, with waste. Every one works in feet and inches or in metric — flip the switch at the top and the numbers you have typed convert with it.

• Drywall sheets of drywall for walls and ceilings
• Paint litres or gallons of paint by coats
• Tile tiles & boxes for a floor or wall
• Flooring boxes of flooring for a room
• Baseboard linear length & pieces for a room
• Insulation bags or batts for an area
• Wallpaper rolls for a wall, with pattern repeat
• Grout grout volume & bags from tile & joints
• Siding squares & pieces for the walls, less openings
• Floor leveler bags of self-leveller for an area & depth
• Caulk tubes for a joint length & size

Which one do I need?

Sheets, boxes, rolls and tubes — each counted from the coverage printed on the product you are buying, with a waste margin you set for cuts and breakage.

• Drywall sheets for a room? Drywall calculator →
• Gallons or litres of paint? Paint calculator →
• Tiles and boxes for a floor or wall? Tile calculator →
• Boxes of laminate or vinyl plank? Flooring calculator →
• Trim around the room? Baseboard calculator →
• Siding for the outside walls? Siding calculator →
• Levelling a floor before it goes down? Floor leveler calculator →

The other drawers

• Concrete & masonry
• Framing & carpentry
• Site & landscape
• Measure & layout
• Electrical
• Plumbing & HVAC
• Shop & equipment
• Conversions
• Every tool