Measure once. Buy the right amount.
Calculators for home projects that turn your tape-measure numbers into square feet, cubic yards, bags, boxes and pieces to buy.
Square Footage Calculator
Rooms, rectangles, triangles and circles in sq ft, sq yd, m² and acres.
1 acre = 43,560 sq ftAcres to Square Feet
Convert acres to square feet, yards, meters and hectares.
footprint × pitch factorRoof Square Footage Calculator
Roof area, roofing squares and shingle bundles from the footprint and pitch.
L × W × depth ÷ 27Gravel Calculator
Cubic yards and tons of gravel for driveways, paths and patios.
cu yd + bagsConcrete Calculator
Slab volume in cubic yards and 80 lb or 60 lb bags, with cost.
posts · rails · picketsFence Calculator
Posts, rails, pickets and concrete for a wood picket or privacy fence.
tiles + boxesTile Calculator
Tiles and boxes for floors, walls and showers with waste.
sq ft + boxesFlooring Calculator
Laminate, vinyl, hardwood or carpet: sq ft, boxes and cost.
cu yd + bagsMulch Calculator
Cubic yards and 2 or 3 cu ft bags for beds and playgrounds.
W × h × ¢/kWhElectricity Cost Calculator
What any appliance costs to run per day, month and year.
miles ÷ mpg × $/galGas Cost Calculator
Fuel cost for a road trip, split between passengers.
walls × coats ÷ 350Paint Calculator
Gallons of paint for a room's walls and ceiling.
T × W × L ÷ 12Lumber Calculator
Board feet, linear feet and cost for any boards.
home size → boxesMoving Boxes Calculator
How many boxes, tape and paper to buy for your move.