Calculate Cubic yards of bulk material needed for your job.
Volume within Pool Area (cubic yard)
Diameter
Area
1"
2"
3"
4"
5"
6"
7"
8"
9"
10"
11"
12"
12'
113
0.35
0.07
1.05
1.40
1.75
2.10
2.45
2.80
3.15
3.50
3.85
4.20
15'
177
0.55
1.10
1.65
2.20
2.75
3.30
3.85
4.40
4.95
5.50
6.05
6.60
18'
254
0.78
1.56
2.34
3.12
3.90
4.68
5.46
6.24
7.02
7.80
8.58
9.36
21'
346
1.07
2.14
3.21
4.28
5.35
6.42
7.49
8.56
9.63
10.70
11.77
12.84
24'
452
1.40
2.79
4.19
5.58
6.98
8.37
9.77
11.16
12.56
13.95
15.34
16.74
30'
707
2.18
4.36
6.56
8.73
10.91
13.09
15.27
17.46
19.64
21.82
24.00
26.18
Volume of Ring Around Pool (cubic yard)
Diameter
Ring
Width
1"
2"
3"
4"
5"
6"
7"
8"
9"
10"
11"
12"
12'
1'
0.13
0.25
0.38
0.50
0.63
0.76
0.88
1.00
1.13
1.26
1.39
1.51
2'
0.27
0.54
0.81
1.08
1.35
1.63
1.90
2.17
2.44
2.71
2.98
3.25
3'
0.44
0.87
1.31
1.74
2.18
2.62
3.05
3.49
3.92
4.36
4.80
5.23
15'
1'
0.16
0.31
0.47
0.62
0.78
0.93
1.09
1.24
1.40
1.55
1.71
1.86
2'
0.33
0.66
0.99
1.32
1.65
1.98
2.31
2.64
2.97
3.30
3.63
3.95
3'
0.52
1.05
1.57
2.09
2.62
3.14
3.66
4.19
4.71
5.23
5.76
6.28
18'
1'
0.18
0.37
0.55
0.74
0.92
1.10
1.29
1.47
1.66
1.84
2.02
2.21
2'
0.39
0.78
1.17
1.56
1.94
2.33
2.72
3.11
3.49
3.88
4.27
4.65
3'
0.61
1.22
1.83
2.44
3.05
3.66
4.27
4.88
5.49
6.11
6.72
7.33
21'
1'
0.21
0.43
0.64
0.85
1.07
1.28
1.49
1.71
1.92
2.13
2.35
2.56
2'
0.45
0.89
1.34
1.78
2.23
2.67
3.12
3.57
4.01
4.46
4.90
5.35
3'
0.70
1.40
2.09
2.79
3.49
4.19
4.88
5.58
6.28
6.98
7.68
8.37
24'
1'
0.24
0.48
0.73
0.97
1.21
1.45
1.70
1.94
2.18
2.42
2.67
2.91
2'
0.50
1.00
1.51
2.02
2.52
3.02
3.53
4.03
4.54
5.04
5.54
6.05
3'
0.79
1.57
2.36
3.14
3.93
4.74
5.50
6.29
7.07
7.85
8.64
9.42
30'
1'
0.30
0.60
0.90
1.20
1.50
1.80
2.10
2.40
2.70
3.00
3.30
3.60
2'
0.62
1.24
1.86
2.48
3.10
3.72
4.34
4.96
5.58
6.20
6.82
7.44
3'
0.96
1.92
2.88
3.84
4.80
5.76
6.72
7.68
8.63
9.59
10.55
11.51
Calculate material coverage (cubic yards):
Length x Width x (Depth of Material) / 27 = Cubic Yards Needed

Example:


12' by 20' = 240 sq.ft

240 sq.ft x 2" depth[.17(see chart)] = 40.8

40.8 / 27= 1.51cu/yd

Depth of Material
Number used
1"
.08
2"
.17
3"
.25
4"
.33
5"
.42
6"
.50
7"
.58
8"
.67
9"
.75
10"
.83
11"
.91
12"
1.0