One 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	15´ 9" 4800	14´ 9" 4500	13´ 9" 4200	13´ 1" 4000	12´ 5" 3800	12´ 1" 3700	11´ 5" 3500
W6 x 20 W150 x 30	17´ 6" 5400	16´ 4" 5000	15´ 5" 4700	14´ 9" 4500	14´ 1" 4300	13´ 9" 4200	13´ 5" 4100
W8 x 14 W200 x 21	18´ 6" 5700	17´ 4" 5300	16´ 4" 5000	15´ 1" 4600	14´ 1" 4300	13´ 5" 4100	11´ 5" 3800
W6 x 25 W150 x 37	19´ 4" 5900	18´ 0" 5500	17´ 0" 5200	16´ 1" 4900	15´ 9" 4800	15´ 1" 4600	14´ 9" 4500
W8 x 18 W200 x 27	20´ 4" 6200	19´ 0" 5800	17´ 8" 5400	17´ 0" 5200	16´ 4" 5000	16´ 1" 4900	15´ 9" 4800
W8 x 21 W200 x 31	21´ 7" 6600	20´ 4" 6200	19´ 0" 5800	18´ 4" 5600	17´ 8" 5400	17´ 4" 5300	16´ 8" 5100
W10 x 16 W250 x 24	22´ 3" 6600	21´ 0" 6400	19´ 4" 5900	18´ 0" 5500	17´ 8" 5200	16´ 1" 4900	15´ 5" 4700
W8 x 24 W200 x 36	22´ 3" 6800	21´ 0" 6400	19´ 8" 6000	19´ 0" 5800	18´ 4" 5600	18´ 0" 5500	17´ 4" 5300
W8 x 26 W200 x 42	23´ 11" 7300	21´ 11" 6700	21´ 0" 6400	20´ 4" 6200	19´ 8" 6000	19´ 0" 5800	18´ 8" 5700
W8 x 31 W200 x 46	24´ 7" 7500	22´ 11" 7000	21´ 11" 6700	21´ 0" 6400	20´ 4" 6200	20´ 0" 6100	19´ 4" 5900
W10 x 22 W250 x 33	25´ 3" 7700	23´ 7" 7200	22´ 7" 6900	21´ 7" 6600	21´ 0" 6400	20´ 4" 6200	19´ 8" 6000
W10 x 25 W250 x 39	26´ 10" 8200	25´ 7" 7800	24´ 3" 7400	23´ 7" 7200	22´ 7" 6900	21´ 11" 5700	21´ 4" 6500
W12 x 21 W310 x 31	27´ 10" 8500	26´ 7" 8100	25´ 3" 7700	23´ 7" 7200	22´ 3" 6800	21´ 0" 6400	20´ 0" 6100
W12 x 26 W310 x 39	30´ 10" 9400	29´ 2" 8900	27´ 10" 8500	26´ 10" 8200	25´ 11" 7900	24´ 11" 7600	23´ 11" 7300
W12 x 30 W310 x 45	32´ 5" 9900	30´ 10" 9400	29´ 6" 9000	28´ 2" 8600	27´ 2" 8300	26´ 7" 6100	25´ 11" 7900
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.