Estimating Concrete

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Concrete is in general calculated in cubic yards - cy. 

v =  0.0031 l w t   (1)

where 

v = required concrete - cy (cu. yards)

l = slab length (ft)

w = slab width (ft)

t = slab depth (in)

• 1 cubic yard = 27 cubic feet
• 1 ft = 12 in

Concrete Volume per sq.ft of Slab

• 1 in (inch) = 25.4 mm = 2.54 cm = 0.0254 m
• 1 yd³ = 0.7646 m³
• 1 ft² = 0.0929 m²

Area Covered by Concrete

The table below shows the area (sq.ft.) that 1 cu. yard of concrete will cover for various depths.

Concrete required for concrete slabs can be estimated below:

• estimating concrete slabs

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