All calculators

24 calculators and 221 worked answers for common project sizes. Every result shows its math, so you can check it before you buy.

Concrete & Masonry

Concrete CalculatorCubic yards and 80/60/40 lb bags for slabs, footings and post holes.Paver CalculatorPavers, base gravel and bedding sand for patios and walkways.Brick CalculatorNumber of bricks and bags of mortar for a wall, planter or veneer.Concrete Block CalculatorNumber of 8×8×16 cinder blocks and mortar bags for a wall.Concrete Steps CalculatorConcrete volume and bags for solid poured steps with an optional landing.

Concrete Calculator: quick answers

4×4 slab5×5 slab6×6 slab8×8 slab8×10 slab10×10 slab10×12 slab10×16 slab10×20 slab12×12 slab12×16 slab12×20 slab12×24 slab14×14 slab16×16 slab16×20 slab18×18 slab20×20 slab20×24 slab20×30 slab24×24 slab24×30 slab30×30 slab30×40 slab40×40 slab

Paver Calculator: quick answers

50 sq ft patio100 sq ft patio150 sq ft patio200 sq ft patio250 sq ft patio300 sq ft patio400 sq ft patio500 sq ft patio

Brick Calculator: quick answers

25 sq ft wall50 sq ft wall100 sq ft wall150 sq ft wall200 sq ft wall300 sq ft wall500 sq ft wall

Concrete Block Calculator: quick answers

16 × 4 ft wall20 × 4 ft wall24 × 4 ft wall32 × 4 ft wall40 × 6 ft wall50 × 6 ft wall60 × 8 ft wall

Concrete Steps Calculator: quick answers

2 steps3 steps4 steps5 steps6 steps

Paint & Walls

Paint CalculatorGallons and quarts for walls and ceilings, minus doors and windows.Drywall CalculatorSheets of 4×8, 4×10 or 4×12 drywall plus screws for any room.Insulation CalculatorHow many inches of insulation reach R-30, R-49 or R-60, and how many bags.Wallpaper CalculatorSingle and double rolls of wallpaper for a room, adjusted for pattern repeat.

Paint Calculator: quick answers

8×10 room10×10 room10×12 room11×12 room12×12 room12×14 room12×15 room12×16 room13×15 room14×14 room14×16 room15×15 room15×20 room16×16 room16×20 room18×20 room20×20 room

Drywall Calculator: quick answers

10×10 room10×12 room12×12 room12×14 room12×16 room14×16 room16×20 room20×20 room

Insulation Calculator: quick answers

R-13 thicknessR-19 thicknessR-30 thicknessR-38 thicknessR-49 thicknessR-60 thickness

Wallpaper Calculator: quick answers

10×10 room10×12 room12×12 room12×14 room14×16 room16×20 room

Flooring & Tile

Flooring CalculatorSquare feet and boxes of laminate, vinyl plank or hardwood with waste.Tile CalculatorNumber of tiles for floors, showers and backsplashes in any tile size.

Flooring Calculator: quick answers

5×8 room8×10 room10×10 room10×12 room12×12 room12×14 room12×16 room12×18 room14×16 room15×20 room16×20 room20×20 room20×24 room24×24 room

Tile Calculator: quick answers

25 sq ft40 sq ft50 sq ft60 sq ft75 sq ft100 sq ft120 sq ft150 sq ft200 sq ft250 sq ft300 sq ft

Yard & Garden

Mulch CalculatorCubic yards and 2 or 3 cu ft bags for any bed size and depth.Gravel CalculatorTons and cubic yards of gravel, crushed stone or sand for driveways and paths.Raised Bed Soil CalculatorCubic feet, yards and bags of soil to fill one or more raised beds.Topsoil CalculatorCubic yards, tons and bags of topsoil for lawns, leveling and new beds.Sod CalculatorRolls and pallets of sod for a new lawn.Grass Seed CalculatorPounds of grass seed for a new lawn or overseeding, by grass type.Landscape Rock CalculatorTons and cubic yards of river rock, lava rock or decorative stone for beds.Sand CalculatorBags, cubic yards and tons of play sand or paver sand for any area.

Mulch Calculator: quick answers

50 sq ft100 sq ft150 sq ft200 sq ft250 sq ft300 sq ft400 sq ft500 sq ft600 sq ft800 sq ft1,000 sq ft1,200 sq ft1,500 sq ft2,000 sq ft2,500 sq ft3,000 sq ft

Gravel Calculator: quick answers

10×10 ft10×20 ft10×40 ft10×50 ft12×20 ft12×50 ft12×100 ft16×40 ft20×20 ft20×40 ft20×50 ft24×50 ft

Raised Bed Soil Calculator: quick answers

2×4 bed2×6 bed2×8 bed3×3 bed3×6 bed3×8 bed4×4 bed4×6 bed4×8 bed4×10 bed4×12 bed4×16 bed

Topsoil Calculator: quick answers

100 sq ft250 sq ft500 sq ft1,000 sq ft2,000 sq ft5,000 sq ft

Sod Calculator: quick answers

500 sq ft lawn1,000 sq ft lawn1,500 sq ft lawn2,000 sq ft lawn2,500 sq ft lawn3,000 sq ft lawn4,000 sq ft lawn5,000 sq ft lawn

Grass Seed Calculator: quick answers

1,000 sq ft2,000 sq ft3,000 sq ft5,000 sq ft7,500 sq ft10,000 sq ft½ acre1 acre

Landscape Rock Calculator: quick answers

50 sq ft bed100 sq ft bed150 sq ft bed200 sq ft bed300 sq ft bed500 sq ft bed

Sand Calculator: quick answers

3×3 sandbox4×4 sandbox5×5 sandbox6×6 sandbox8×8 sandbox

Outdoor Building

Fence CalculatorPosts, rails, pickets and concrete bags for a wood privacy or picket fence.Deck Board CalculatorDeck boards, joists and screws for wood or composite decking.Roofing CalculatorRoof area, squares and shingle bundles from your house size and pitch.Deck Stain CalculatorGallons of deck stain or sealer for the floor and railings.

Fence Calculator: quick answers

50 ft fence75 ft fence100 ft fence120 ft fence150 ft fence200 ft fence250 ft fence300 ft fence400 ft fence500 ft fence

Deck Board Calculator: quick answers

8×10 deck10×10 deck10×12 deck12×12 deck12×16 deck12×20 deck14×16 deck16×16 deck16×20 deck20×20 deck

Roofing Calculator: quick answers

1,000 sq ft footprint1,200 sq ft footprint1,500 sq ft footprint1,800 sq ft footprint2,000 sq ft footprint2,500 sq ft footprint3,000 sq ft footprint

Deck Stain Calculator: quick answers

10×10 deck12×12 deck12×16 deck12×20 deck16×16 deck16×20 deck20×20 deck

Measuring

Square Footage CalculatorArea of rectangles, triangles and circles in sq ft, sq yd, m² and acres.