Equilibrium Moisture Content of Wood at % Relative Humid

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Equilibrium Moisture Content of Wood at % Relative Humid

Tim Baker
Registered User
Joined: 23 May 2005, 06:22

22 Nov 2005, 10:23 #1

Equilibrium Moisture Content of Wood at Given Relative Humidity and Air Temperature Fahrenheit

0 30 40 50 60 70 80 90 100 110 120 130
5 1.4 1.4 1.4 1.3 1.3 1.3 1.2 1.2 1.1 1.1 1.0
10 2.6 2.6 2.6 2.5 2.5 2.4 2.3 2.3 2.2 2.1 2.0
15 3.7 3.7 3.6 3.6 3.5 3.5 3.4 3.3 3.2 3.0 2.9
20 4.6 4.6 4.6 4.6 4.5 4.4 4.3 4.2 3.0 3.9 3.7
25 5.5 5.5 5.5 5.4 5.4 5.3 5.1 5.0 4.9 4.7 4.5
30 6.3 6.3 6.3 6.2 6.2 6.1 5.9 5.8 5.6 5.4 5.2
35 7.1 7.1 7.1 7.0 6.9 6.8 6.7 6.5 6.3 6.1 5.9
40 7.9 7.9 7.9 7.8 7.7 7.6 7.4 7.2 7.0 6.8 6.6
45 8.7 8.7 8.7 8.6 8.5 8.3 8.1 7.9 7.7 7.5 7.2
50 9.5 9.5 9.5 9.4 9.2 9.1 8.9 8.7 8.4 8.2 7.9
55 10.4 10.4 10.3 10.2 10.1 9.9 9.7 9.5 9.2 8.9 8.7
60 11.3 11.3 11.2 11.1 11.0 10.8 10.5 10.3 10.0 9.7 9.4
65 12.4 12.3 12.3 12.1 12.0 11.7 11.5 11.2 11.0 10.6 10.3
70 13.5 13.5 13.4 13.3 13.1 12.9 12.6 12.3 12.0 11.7 11.3
75 14.9 14.9 14.8 14.6 14.4 14.2 13.9 13.6 13.2 12.9 12.5
80 16.5 16.5 16.4 16.2 16.0 15.7 15.4 15.1 14.7 14.4 14.0
85 18.5 18.5 18.4 18.2 17.9 17.7 17.3 17.0 16.6 16.2 15.8
90 21.0 21.0 20.9 20.7 20.5 20.2 19.8 19.5 19.1 18.6 18.2
95 24.3 24.3 24.3 24.1 23.9 23.6 23.3 22.9 22.4 22.0 21.5
98 26.9 26.9 26.9 26.8 26.6 26.3 26.0 25.6 25.2 24.7 24.2
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Pathfinder78
Registered User
Joined: 29 Jan 2008, 06:29

13 Dec 2008, 16:32 #2

Tim, I hope you don't mind, I prettied it up a bit, and added temp in Celsius:
Image
Image
Buttercup: We'll never survive.
Westley: Nonsense. You're only saying that because no one ever has.
"The Princess Bride"

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Rod
Registered User
Joined: 17 Jun 2005, 23:07

19 Nov 2015, 14:49 #3

Equilibrium Moisture Content of Wood at Given Relative Humidity & Air Temperature

Fahrenheit

0

30

40

50

60

70

80

90

100

110

120

130

5

1.4

1.4

1.4

1.3

1.3

1.3

1.2

1.2

1.1

1.1

1.0

10

2.6

2.6

2.6

2.5

2.5

2.4

2.3

2.3

2.2

2.1

2.0

15

3.7

3.7

3.6

3.6

3.5

3.5

3.4

3.3

3.2

3.1

2.9

20

4..6

4.6

4.6

4.6

4.5

4.4

4.3

4.2

4.0

3.9

3.7

25

5.5

5.5

5.5

5.4

5.4

5.3

5.1

5.0

4.9

4.7

4.5

30

6.3

6.3

6.3

6.2

6.2

6.1

5.9

5.8

5.6

5.4

5.2

35

7.1

7.1

7.1

7.0

6.9

6.8

6.7

6.5

6.3

6.1

5.9

40

7.9

7.9

7.9

7.8

7.7

7.6

7.4

7.2

7.0

6.8

6.6

45

8.7

8.7

8.7

8.6

8.5

8.3

8.1

7.9

7.7

7.5

7.2

50

9.5

9.5

9.5

9.4

9.2

9.1

8.9

8.7

8.4

8.2

7.9

55

10.4

10.4

10.3

10.2

10.1

9.9

9.7

9.5

9.2

8.9

8.7

60

11.3

11.3

11.2

11.1

11.0

10.8

10.5

10.3

10.0

9.7

9.4

65

12.4

12.3

12.3

12.1

12.0

11.7

11.5

11.2

11.0

10.6

10.3

70

13.5

13.5

13.4

13.3

13.1

12.9

12.6

12.3

12.0

11.7

11.3

75

14.9

14.9

14.8

14.6

14.4

14.2

13.9

13.6

13.2

12.9

12.5

80

16.5

16.5

16.4

16.2

16.0

15.7

15.4

15.1

14.7

14.4

14.0

85

18.5

18.5

18.4

18.2

17.9

17.7

17.3

17.0

16.6

16.2

15.8

90

21.0

21,0

20.9

20.7

20.5

20.2

19.8

19.5

19.1

18.6

18.2

95

24.3

24.3

24.3

24.1

23.9

23.6

23.3

22.9

22.4

22.0

21.5

100

26.9

26.9

26.9

26.8

26.6

26.3

26.0

25.6

25.2

24.7

24.2

It's meant to be simple, not easy.
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