Free Online Construction Calculators
16 free Construction Calculators with documented formulas and assumptions. Results are estimates and do not replace professional advice where noted.
Construction (16)
Concrete & RCC
Concrete Calculator
Calculate concrete volume and optional cement/sand/aggregate quantities.
RCC Slab Calculator
Calculate concrete volume for a reinforced concrete (RCC) slab.
Column Calculator
Calculate concrete volume for rectangular, square, or circular columns.
Beam Calculator
Calculate concrete volume for one or more RCC beams.
Floor Concrete Calculator
Calculate concrete volume for a floor slab-on-grade.
RCC Stair Calculator
Approximate the concrete volume for an RCC staircase.
Masonry
Brick Calculator
Calculate the number of bricks required for a wall.
Brick Foundation Calculator
Estimate bricks and mortar materials for a brick foundation.
Block Calculator
Calculate the number of concrete blocks required for a wall.
Finishing
Tile Calculator
Calculate the number of tiles needed for a floor or wall.
Plaster Calculator
Calculate plaster area, wet volume, and cement/sand quantities.
Paint Calculator
Estimate how much paint you need for a wall or room.
Earthwork & Roads
Excavation Calculator
Calculate excavation volume for a pit, trench, or footing.
Road Asphalt Calculator
Calculate asphalt volume and weight for a road or paved area.