Know how much to buy before you start.
Free calculators for concrete, flooring, paint, landscaping and more. Enter your measurements, get exact quantities, bag counts and a shopping list.
Carpentry & Lumber
- Baseboard CalculatorFind out how much baseboard, quarter round or shoe molding you need.
- Board Feet CalculatorCalculate board feet for hardwood and lumber.
- Deck CalculatorWork out the decking boards, joists and screws for a new deck.
- Stair CalculatorLay out a straight staircase from the total rise.
Concrete & Masonry
- Brick CalculatorWork out how many bricks you need for a wall, a planter or a veneer.
- Concrete CalculatorWork out how much concrete you need for a slab, patio, footing or post holes.
- Rebar CalculatorPlan the rebar grid for a concrete slab, patio or footing pad.
Interior
- Carpet CalculatorFind out how much carpet to buy for a room.
- Drywall CalculatorEstimate how many drywall sheets you need for a room, with or without the ceiling.
- Flooring CalculatorWork out how many boxes of laminate, vinyl plank or engineered hardwood you need for a room.
- Paint CalculatorWork out how much paint you need for a room, a single wall or a ceiling.
- Tile CalculatorFind out how many tiles you need for a floor, a backsplash or a shower wall.
- Wallpaper CalculatorWork out how many rolls of wallpaper to buy for a whole room or a single accent wall.
Landscaping & Outdoor
- Asphalt CalculatorEstimate the hot-mix asphalt for a driveway, path or small parking area.
- Fence CalculatorPlan the materials for a wood picket or privacy fence.
- Gravel CalculatorEstimate how much gravel or crushed stone you need for a driveway, path, patio base or drainage area.
- Mulch CalculatorFind out how much mulch you need for flower beds, tree rings and garden paths.
- Paver CalculatorPlan a paver patio, walkway or driveway.
- Retaining Wall CalculatorEstimate the blocks and caps for a segmental retaining wall or garden wall.
- Sand CalculatorEstimate the sand you need for a paver base, a sandbox or leveling an area.
- Topsoil CalculatorWork out how much topsoil you need for a new lawn, a garden bed or a raised bed.