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# Concrete Columns

## Estimate concrete volume required for concrete columns.

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Concrete is in general calculated in cubic yards (cy).

The concrete required for a column can be calculated as

v =  0.7854 a2 h / 27                             (1)

where

v = required concrete - cy (cu. yards)

a = column area (sq. ft.)

h = column height (ft)

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

### Concrete required per 1 ft Column Height

Column Size
(in)

Load Calculator!
Volume
(cy - cubic yards - per linear foot Round Column)
8 0.013
9 0.016
10 0.020
11 0.024
12 0.029
14 0.040
16 0.051
18 0.065
20 0.081
22 0.097
24 0.116
26 0.137
28 0.158
30 0.181
Column Size
(in x in)
Volume
(cy - cubic yards - per linear foot Square Column)
12 x 12 0.037
13 x 13 0.043
14 x 14 0.050
15 x 15 0.058
16 x 16 0.066
17 x 17 0.074
18 x 18 0.083
19 x 19 0.093
20 x 20 0.103
21 x 21 0.113
22 x 22 0.124
23 x 23 0.136
24 x 24 0.148
25 x 25 0.161
26 x 26 0.174
27 x 27 0.188
28 x 28 0.202
29 x 29 0.216
30 x 30 0.231
• 1 cu yd per linear foot (y3/ft) = 2.5 m3/m

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## Unit Converters

Temperature

oC
oF

Length

m
km
in
ft
yards
miles
naut miles

Area

m2
km2
in2
ft2
miles2
acres

Volume

m3
liters
in3
ft3
us gal

Weight

kgf
N
lbf

Velocity

m/s
km/h
ft/min
ft/s
mph
knots

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O

Flow

m3/s
m3/h
US gpm
cfm

6 24

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