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Slab Thickness vs Floor Area

One Cubic Yard of Concrete for a Given Slab Thickness

 

Slab Thickness (Inches) Floor Ares (Square Feet)
1 324
1.25 259
1.50 216
2 162
2.25 144
2.50 130
2.75 118
3 108
3.25 100
3.50 93
3.75 86
4 81
4.25 76
4.50 72
4.75 68
5 65
5.25 62
5.50 59
5.75 56
6 54
6.25 52
6.75 48
7 46
7.25 44
7.5 43
7.75 42
8 40
8.25 39
8.50 38
8.75 37
9 36
9.25 35
9.50 34
9.75 33
10 32
10.25 31
10.50 31
10.75 30
11 29.5
11.25 29
11.50 28
11.75 27.5
12 27
12.25 26.5
12.50 26
12.75 25.5

For Other Floor Thicknesses, Use:

Floor Area (ft²)=324 / Slab Thickness (in)

(Metric)
Floor area in square meters from 1 cubic meter of concrete for a given slab thickness

Floor Area (m²) = 1000 / Slab Thickness (mm)

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