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Lumber and Wood Weights

Knowing the weight of lumber or wood can come in handy if you are doing load calculations for a floor or deck. As well knowing the weight of lumber can be important if you are planning on transporting a load of lumber from the lumber yard to your home, as shown in Figure 1.

car loaded with lumber

Figure 1 - Car loaded with lumber

Table 1 provides a list of common lumber/wood species and their weights, green, by board foot and common construction grade sizes.

Note: A board foot of lumber/wood is 12 inches long, 12 inches wide and 1 inch thick, (144 sq. inches).

Table 1 - Lumber Species, Board Foot Weight - Popular Construction Grade Sizes

Lumber Species

Weight lbs.
per board ft.

Weight in lbs - 8’ long (standard construction grade milling)

1" x

2" x

4" x

6" x

4"

6"

8"

4"

6"

8"

10"

12"

4"

6"

6

Ash (White)

4

7

11

14.5

14

22

29

37

45

32.7

51.3

80.7

Aspen

3.6

6.3

9.9

13.1

12.6

19.8

26.1

33.3

40.5

29.4

46.2

72.6

Basswood

3.5

6.1

9.6

12.7

12.3

19.3

25.4

32.4

39.4

28.6

44.9

70.6

Beech

4.5

7.9

12.4

16.3

15.8

24.8

32.6

41.6

50.6

36.8

57.8

90.8

Birch (Yellow)

4.8

8.4

13.2

17.4

16.8

26.4

34.8

44.4

54.0

39.2

61.6

96.8

Birch (White)

4.2

7.4

11.6

15.2

14.7

23.1

30.5

38.9

47.3

34.3

53.9

84.7

Cedar (Red)

3.1

5.4

8.5

11.2

10.9

17.1

22.5

28.7

34.9

25.3

39.8

62.5

Cedar (White)

2.3

4.0

6.3

8.3

8.1

12.7

16.7

21.3

25.9

18.8

29.5

46.4

Cherry (Black)

3.8

6.7

10.5

13.8

13.3

20.9

27.6

35.2

42.8

31.0

48.8

76.6

Cottonwood

4.1

7.2

11.3

14.9

14.4

22.6

29.7

37.9

46.1

33.5

52.6

82.7

Elm

4.6

8.1

12.7

16.7

16.1

25.3

33.4

42.6

51.8

37.6

59.0

92.8

Gum (Red, Black)

4.2

7.4

11.6

15.2

14.7

23.1

30.5

38.9

47.3

34.3

53.9

84.7

Hackberry

4.2

7.4

11.6

15.2

14.7

23.1

30.5

38.9

47.3

34.3

53.9

84.7

Hemlock

4.2

7.4

11.6

15.2

14.7

23.1

30.5

38.9

47.3

34.3

53.9

84.7

Hickory

5.3

9.3

14.6

19.2

18.6

29.2

38.4

49.0

59.6

43.3

68.0

106.9

Locust (Black)

4.8

8.4

13.2

17.4

16.8

26.4

34.8

44.4

54.0

39.2

61.6

96.8

Maple (Hard)

4.6

8.1

12.7

16.7

16.1

25.3

33.4

42.6

51.8

37.6

59.0

92.8

Maple (Soft)

3.9

6.8

10.7

14.1

13.7

21.5

28.3

36.1

43.9

31.9

50.1

78.7

Oak (Red, White)

5.3

9.3

14.6

19.2

18.6

29.2

38.4

49.0

59.6

43.3

68.0

106.9

Pine (Red)

3.5

6.1

9.6

12.7

12.3

19.3

25.4

32.4

39.4

28.6

44.9

70.6

Pine (Shortleaf)

4.3

7.5

11.8

15.6

15.1

23.7

31.2

39.8

48.4

35.1

55.2

86.7

Pine (White)

3

5.3

8.3

10.9

10.5

16.5

21.8

27.8

33.8

24.5

38.5

60.5

Poplar (Yellow)

3.2

5.6

8.8

11.6

11.2

17.6

23.2

29.6

36.0

26.1

41.1

64.5

Spruce 

2.8

4.9

7.7

10.2

9.8

15.4

20.3

25.9

31.5

22.9

35.9

56.5

Sycamore

4.3

7.5

11.8

15.6

15.1

23.7

31.2

39.8

48.4

35.1

55.2

86.7

Tamarack

3.9

6.8

10.7

14.1

13.7

21.5

28.3

36.1

43.9

31.9

50.1

78.7

Walnut (Black)

4.8

8.4

13.2

17.4

16.8

26.4

34.8

44.4

54.0

39.2

61.6

96.8

 

 

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