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● Concrete Planning Tool

Concrete Calculator

Estimate the amount of concrete you need for slabs, walls, footings, columns, tubes, curbs, gutters and stairs.

01

Slabs, Square Footings or Walls

Calculate rectangular concrete areas using length, width, thickness or height and quantity.

Length

ft in yd m cm mm

Width

ft in yd m cm mm

Thickness / Height

in ft cm mm m

Quantity

02

Hole, Column or Round Footing

Estimate concrete for cylindrical columns, drilled holes and circular footings.

Diameter

in ft cm mm m

Depth / Height

ft in m cm mm

Quantity

03

Circular Slab or Tube

Calculate concrete volume for rings, circular slabs, pipes and hollow cylindrical structures.

Outer Diameter

ft in m cm mm

Inner Diameter

ft in m cm mm

Length / Height

ft in m cm mm

Quantity

04

Curb & Gutter Barrier

Estimate concrete for curb and gutter combinations, driveway edges and barrier sections.

Curb Depth

in ft cm mm m

Gutter Width

in ft cm mm m

Curb Height

in ft cm mm m

Flag Thickness

in ft cm mm m

Length

ft m yd in cm mm

Quantity

05

Concrete Stairs

Estimate concrete for a straight staircase using tread run, riser height, stair width, platform depth and number of risers.

Run per Step

in ft cm mm m

Rise per Step

in ft cm mm m

Stair Width

ft in m cm mm

Platform Depth

ft in m cm mm

Number of Risers

Stair calculation: The stair volume uses the stepped profile plus the platform. It assumes the supplied run and rise represent each individual step/riser.

Concrete Calculator
Results are estimates. Actual concrete requirements can vary because of excavation conditions, formwork, irregular surfaces, waste, placement and site conditions.