Construction Rechners
15 interactive tools with transparent guidance and tested shared calculation logic.
Square Footage Rechner
Calculate rectangular floor or wall area in square feet.
ConstructionConcrete Rechner
Estimate concrete volume for a rectangular slab.
ConstructionPaint Rechner
Estimate paint gallons from paintable area and coverage.
ConstructionTile Rechner
Estimate number of tiles required from area and tile dimensions.
ConstructionFlooring Rechner
Estimate flooring purchase area including waste allowance.
ConstructionDrywall Rechner
Estimate 4×8 drywall sheets for a wall/ceiling area.
ConstructionGravel Rechner
Estimate gravel volume in cubic yards.
ConstructionMulch Rechner
Estimate mulch volume in cubic yards.
ConstructionRoofing Rechner
Estimate roof surface area from plan area and pitch multiplier.
ConstructionBoard Foot Rechner
Calculate lumber volume in board feet.
ConstructionBrick Rechner
Estimate bricks for a wall from wall area and brick face area.
ConstructionWallpaper Rechner
Estimate wallpaper rolls from wall area and roll coverage.
ConstructionFence Rechner
Estimate fence panels/posts for a straight run.
ConstructionDeck Board Rechner
Estimate deck boards from deck width and board coverage.
ConstructionCubic Yards Rechner
Convert rectangular dimensions in feet to cubic yards.