Two Story Dwelling Beam Spans
Width of Floor to be Supported
Sections
7´ 10"
2.4
9´ 10"
3.0
11´ 10"
3.6
13´ 9"
4.2
15´ 9"
4.8
17´ 9"
5.4
19´ 8"
6.0
W6 x 15 W150 x 22
13´ 1"
4000
12´ 1"
3700
11´ 1"
3400
10´ 2"
3100
9´ 10"
3000
9´ 2"
2800
8´ 10"
2700
W6 x 20 W150 x 30
15´ 1"
4800
14´ 1"
4300
13´ 5"
4100
13´ 1"
4000
12´ 1"
3700
11´ 9"
3600
11´ 1"
3400
W8 x 14 W200 x 21
14´ 9"
4500
13´ 5"
4100
12´ 1"
3700
11´ 5"
3500
10´ 10"
3300
10´ 2"
3100
9´ 10"
3000
W6 x 25 W150 x 37
16´ 4"
5000
15´ 9"
4800
14´ 9"
4500
14´ 5"
4400
13´ 9"
4200
13´ 1"
4000
11´ 5"
3900
W8 x 18 W200 x 27
17´ 4"
5300
16´ 4"
5000
15´ 1"
4800
14´ 1"
4300
13´ 1"
4000
12´ 5"
3800
11´ 9"
3600
W8 x 21 W200 x 31
18´ 8"
5700
17´ 8"
5400
16´ 8"
5100
15´ 5"
4700
14´ 9"
4500
13´ 9"
4200
13´ 1"
4000
W10 x 16 W250 x 24
17´ 8"
5400
16´ 1"
4900
14´ 9"
4500
13´ 9"
4200
13´ 1"
4000
12´ 5"
3800
11´ 9"
3500
W8 x 24 W200 x 36
19´ 4"
5900
18´ 4"
5600
17´ 4"
5300
16´ 8"
5100
15´ 8"
4600
14´ 9"
4500
14´ 1"
4300
W8 x 26 W200 x 42
20´ 8"
6300
19´ 8"
6000
18´ 8"
5700
16´ 0"
5500
17´ 0"
5200
18´ 1"
4900
15´ 5"
4700
W8 x 31 W200 x 46
21´ 7"
6600
20´ 4"
6200
19´ 4"
5900
18´ 8"
5700
18´ 0"
5500
17´ 0"
5200
16´ 4"
6000
W10 x 22 W250 x 33
22´ 3"
6800
20´ 8"
6300
19´ 0"
5600
17´ 8"
5400
16´ 8"
5100
15´ 9"
4800
15´ 1"
4600
W10 x 26 W250 x 39
23´ 11"
7300
22´ 7"
6900
21´ 0"
6400
19´ 8"
6000
18´ 4"
5600
17´ 4"
5300
18´ 8"
5100
W12 x 21 W310 x 31
23´ 3"
7100
21´ 0"
6400
19´ 4"
5900
18´ 0"
5500
16´ 8"
5100
16´ 1"
4900
15´ 1"
4800
W12 x 26 W310 x 39
27´ 2"
8300
24´ 11"
7600
22´ 11"
7000
21´ 4"
6500
20´ 0"
6100
19´ 0"
5800
16´ 0"
5500
W12 x 30 W310 x 45
28´ 10"
8800
27´ 2"
8300
24´ 11"
7600
23´ 3"
7100
21´ 11"
6700
20´ 8"
6300
19´ 8"
6000
This chart is for reference only.
Hunter Steel takes no responsibility for what is displayed on this chart.
Please contact your local building inspector for more details.