Room & Surface Calculators
Surface calculators help you measure a space and cover it. Find the square footage of a room, work out how much paint the walls need, how many tiles and boxes a floor needs, or how many square yards a room covers for carpet or turf. Flooring and wallpaper estimators are planned for this group.
Last updated November 2, 2026
All Rooms & Surfaces tools
Home & DIY · Rooms & Surfaces
Square Footage CalculatorArea of a room or space in square feet, yards and meters
Home & DIY · Rooms & Surfaces
Paint CalculatorGallons or liters of paint for a room, with doors, windows and coats
Home & DIY · Rooms & Surfaces
Tile CalculatorHow many tiles and boxes a floor or wall needs, with grout gaps and a waste allowance
Home & DIY · Rooms & Surfaces
Square Yard CalculatorSquare yards from room size, or convert between square yards, feet, inches and meters
Home & DIY · Rooms & Surfaces
Flooring CalculatorFlooring area, boxes and cost for up to six rooms, with a waste allowance
Home & DIY · Rooms & Surfaces
Wallpaper CalculatorWallpaper strips and rolls for a room, with roll size and pattern repeat
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Home & DIY · Building Materials
Concrete CalculatorCubic yards and cubic meters of concrete for a slab, with a waste allowance
Home & DIY · Outdoor & Landscape
Gravel CalculatorCubic yards and tons of gravel for a driveway, path or bed, with a waste allowance
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Fence CalculatorPosts, sections, rails and pickets for a fence from its length, spacing and gates
Home & DIY · Building Materials
Roofing CalculatorRoof area, squares and shingle bundles from the footprint, pitch, overhang and waste
Home & DIY · Building Materials
Brick CalculatorBricks and mortar for a wall from its size, openings, brick size and joint, with waste