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Concrete Footings - Volume

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Concrete is in general calculated in cubic yards - cy. Required concrete for footing can be calculated as

v =  0.0031 l w t                                   (1)

where 

v = required concrete - cy (cu. yards)

l = length of footing (ft)

w = width of footing (ft)

t = depth of footing (in)

  • 1 cy (cubic yard) = 27 cubic feet
  • 1 ft = 12 in
.

Concrete Volume - CY per Linear Foot of Footing

Concrete Footings - Volume
Depth of Footing
(in)

Concrete Volume
(cy per linear foot of footing)
Width of footing (in)
12151824
6 0.019 0.023 0.028 0.037
8 0.025 0.031 0.037 0.049
9 0.028 0.035 0.042 0.056
10 0.031 0.039 0.046 0.062
12 0.037 0.046 0.056 0.074
18 0.056 0.069 0.083 0.111
24 0.074 0.093 0.111 0.148
30 0.093 0.116 0.139 0.185
36 0.111 0.139 0.167 0.222
42 0.130 0.162 0.194 0.259
  •  1 cy per linear foot (y3/ft) = 2.5 m3/m

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