Floor Joist Selector
Choose Joist Designation
250S137-33 33 KSI
250S137-43 33 KSI
250S137-54 50 KSI
250S137-68 50 KSI
250S162-33 33 KSI
250S162-43 33 KSI
250S162-54 50 KSI
250S162-68 50 KSI
350S162-33 33 KSI
350S162-43 33 KSI
350S162-54 50 KSI
350S162-68 50 KSI
362S137-33 33 KSI
362S137-43 33 KSI
362S137-54 50 KSI
362S137-68 50 KSI
362S162-33 33 KSI
362S162-43 33 KSI
362S162-54 50 KSI
362S162-68 50 KSI
362S200-33 33 KSI
362S200-43 33 KSI
362S200-54 50 KSI
362S200-68 50 KSI
400S137-33 33 KSI
400S137-43 33 KSI
400S137-54 50 KSI
400S137-68 50 KSI
400S162-33 33 KSI
400S162-43 33 KSI
400S162-54 50 KSI
400S162-68 50 KSI
400S200-33 33 KSI
400S200-43 33 KSI
400S200-54 50 KSI
400S200-68 50 KSI
550S162-33 33 KSI
550S162-43 33 KSI
550S162-54 50 KSI
550S162-68 50 KSI
600S162-33 33 KSI
600S162-43 33 KSI
600S162-54 50 KSI
600S162-68 50 KSI
600S162-97 50 KSI
600S200-33 33 KSI
600S200-43 33 KSI
600S200-54 50 KSI
600S200-68 50 KSI
600S200-97 50 KSI
600S250-43 33 KSI
600S250-54 50 KSI
600S250-68 50 KSI
600S250-97 50 KSI
800S162-33 33 KSI
800S162-43 33 KSI
800S162-54 50 KSI
800S162-68 50 KSI
800S162-97 50 KSI
800S200-33 33 KSI
800S200-43 33 KSI
800S200-54 50 KSI
800S200-68 50 KSI
800S200-97 50 KSI
800S250-43 33 KSI
800S250-54 50 KSI
800S250-68 50 KSI
800S250-97 50 KSI
1000S162-43 33 KSI
1000S162-54 50 KSI
1000S162-68 50 KSI
1000S162-97 50 KSI
1000S200-43 33 KSI
1000S200-54 50 KSI
1000S200-68 50 KSI
1000S200-97 50 KSI
1000S250-43 33 KSI
1000S250-54 50 KSI
1000S250-68 50 KSI
1000S250-97 50 KSI
1200S162-54 50 KSI
1200S162-68 50 KSI
1200S162-97 50 KSI
1200S200-54 50 KSI
1200S200-68 50 KSI
1200S200-97 50 KSI
1200S250-54 50 KSI
1200S250-68 50 KSI
1200S250-97 50 KSI
(Nomenclature as per SSMA standard. SSMA is Steel Stud Manufacturer's Association.)
Choose Deflection Criteria
L/120
L/240
L/360
L/480
L/600
L/720
(L/480 is generally recommended. L/720 if the floor may be susceptible to vibration.)
Choose Joist Spacing
8
12
16
24
36
48
60
72
Inches
Choose Joist Span
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Feet
0
1
2
3
4
5
6
7
8
9
10
11
Inches
Choose Sheathing Self-Weight
psf
(Invalid or non-numeric entries will be treated as Zero.)
Specify Sheathing Description
Consider Distortional Buckling?
Description
Value (psf)
Starting Offset (Ft & In)
Ending Offset (Ft & In)
Distributed Load # 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
Distributed Load # 2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
Distributed Load # 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
Point Load # 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
Point Load # 2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
Point Load # 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
(Results will be displayed on the next web page titled "Floor Joist Selector - Calculated Results".)
Important Note: This analysis tool is intended to serve as a general guide to architects and contractors for estimating requirements for cold-formed steel floor joists. This tool must NOT be used for construction, final design and/or selection of floor joists without an independant evaluation by a qualified cold-formed steel design engineer. There are other factors, other than those listed above, which may impact upon the design/selection process of floor joists, which are NOT addressed by this tool. K2 Engineering, Inc. and it's employees and associates, specifically disclaim any responsibility and/or liability for failure, or any other sort of consequential damages, resulting from the misuse or mis-application of this tool and its results. K2 Engineering, Inc. makes no warranties, expressed or implied, regarding this tool. The User of this tool proceeds at his/her own risk.
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