Construction Calculators
Concrete, gravel, roofing, stairs, lumber, square footage, asphalt, mulch, tile, brick, and paint estimators.
8 free tools availableAsphalt Calculator
Estimate asphalt tons from area, thickness, and density....
Use FreeConcrete Calculator
Estimate concrete volume in cubic yards from length, width, and depth....
Use FreeGravel Calculator
Estimate gravel volume and tons for a rectangular area....
Use FreeLumber Calculator
Calculate board feet for lumber quantity estimating....
Use FreeMulch Calculator
Estimate mulch cubic yards for landscaping beds....
Use FreeRoofing Calculator
Estimate roof area and roofing squares from footprint and pitch factor...
Use FreeSquare Footage Calculator
Calculate square footage for floors, walls, rooms, and materials....
Use FreeStair Calculator
Estimate stair riser count, riser height, and total run....
Use FreeAbout Construction Calculators
Construction calculators for estimating materials before you buy, quote, or start a job.
Estimate common materials such as concrete, gravel, roofing, paint, brick, lumber, asphalt, and mulch with practical waste allowances.