Lumber Converter

Lumber sizes (in.) Board feet

per linear ft.

Board
feet for standard lengths
8 ft 10 ft 12 ft 14 ft 16 ft 18 ft 20 ft
1 x 2 0.166 1.33 1.67 2.0 2.33 2.67 3.0 3.33
1 x 3 0.25 2.0 2.5 3.0 3.5 4.0 4.5 5.0
1 x 4; 2 x 2 0.333 2.66 3.33 4.0 4.66 5.33 6.0 6.66
1 x 6; 2 X 3 0.5 4.0 5.0 6.0 7.0 8.0 9.0 10.0
1 x 8; 2 x 4 0.667 5.34 6.67 8.0 9.34 10.67 12.0 13.34
1 x 12; 2 x 6; 3 x 4 1.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0
2 x 8; 4 x 4 1.333 10.66 13.33 16.0 18.66 21.33 24.0 26.66
2 x 10 1.667 13.34 16.67 20.0 23.34 26.67 30.0 33.34
2 x 12; 3 x 8; 4 x 6 2.0 16.0 20.0 24.0 28.0 32.0 36.0 40.0
2 x 14 2.333 18.66 23.33 28.0 32.66 37.33 42.0 46.66
2 1/2 x 12; 3 x 10 2.5 20.0 25.0 30.0 35.0 40.0 45.0 50.0
2 1/2 x 14 2.917 23.34 29.17 35.0 40.84 46.67 52.50 58.34
2 1/2 x 16; 4 x 10 3.333 26.66 33.33 40.0 46.66 53.33 60.00 66.66
3 x 6 1.5 12.0 15.0 18.0 21.0 24.0 27.0 30.0
3 x 12; 6 x 6 3.0 24.0 30.0 36.0 42.0 48.0 54.0 60.0
3 x 14 3.5 28.0 35.0 42.0 49.0 56.0 63.0 70.0
3 x 16; 4 x 12; 6 x 8 4.0 32.0 40.0 48.0 56.0 64.0 72.0 80.0
4 x 8 2.667 21.34 26.67 32.0 37.34 42.67 48.0 53.34
4 x 14 4.667 37.34 46.67 56.0 65.34 74.67 84.0 93.34
4 x 16; 8 x 8 5.333 42.66 53.33 64.0 74.66 85.33 96.0 106.66
6 x 10 5.0 40.0 50.0 60.0 70.0 80.0 90.0 100.0
6 x 12 6.0 48.0 60.0 72.0 84.0 96.0 108.0 120.0
6 x 14 7.0 56.0 70.0 84.0 98.0 112.0 126.0 140.0
6 x 16; 8 x 12 8.0 64.0 80.0 96.0 112.0 128.0 144.0 160.0
8 x 10 6.667 53.34 66.67 80.0 93.34 106.67 120.00 133.34
8 x 14 9.333 74.66 93.33 112.0 130.67 149.33 168.0 186.66
8 x 16 10.667 85.34 106.67 128.0 149.34 170.67 192.00 213.34