Balsa Density Chart
Density lb/cu ft
Sheet size 4 6 8 10 12 14 15 18

75 x 915

Very Light Light Med Light Medium Med Hard Hard    

1.0

4.43

6.65

8.86

11.08

13.29

15.51

16.61

19.94

1.5

6.65

9.97

13.29

16.61

19.94

23.26

24.92

29.90

2.0

8.86

13.29

17.72

22.15

26.58

31.01

33.23

39.87

2.5

11.08

16.61

22.15

27.69

33.23

38.76

41.53

49.84

3.0

13.29

19.94

26.58

33.23

39.87

46.52

49.84

59.81

4.0

17.72

26.58

35.44

44.30

53.16

62.02

66.45

79.74

5.0

22.15

33.23

44.30

55.38

66.45

77.53

83.06

99.68

6.5

28.80

43.20

57.60

72.00

86.40

100.80

108.00

129.60

8.0

35.44

53.16

70.88

88.60

106.32

124.04

132.90

159.48

9.5

42.09

63.14

84.18

105.23

126.27

147.32

157.84

189.41

12.5

55.40

83.05

110.75

138.45

166.15

193.80

207.65

249.20

                 
Sheet size 4 6 8 10 12 14 15 18

100 x 915

Very Light Light Med Light Medium Med Hard Hard    

1.0

5.90

8.85

11.80

14.75

17.70

20.65

22.13

26.55

1.5

8.85

13.28

17.70

22.13

26.55

30.98

33.19

39.83

2.0

11.80

17.70

23.60

29.50

35.40

41.30

44.25

53.10

2.5

14.75

22.13

29.50

36.88

44.25

51.63

55.31

66.38

3.0

17.70

26.55

35.40

44.25

53.10

61.95

66.38

79.65

4.0

23.60

35.40

47.20

59.00

70.80

82.60

88.50

106.20

5.0

29.50

44.25

59.00

73.75

88.50

103.25

110.63

132.75

6.5

38.35

57.53

76.70

95.88

115.05

134.23

143.81

172.58

8.0

47.20

70.80

94.40

118.00

141.60

165.20

177.00

212.40

9.5

56.05

84.08

112.10

140.13

168.15

196.18

210.19

252.23

12.5

73.75

110.63

147.50

184.38

221.25

258.13

276.56

331.88

                 
Sheet size 4 6 8 10 12 14 15 18

100 x 1220

Very Light Light Med Light Medium Med Hard Hard    

1.0

7.87

11.81

15.74

19.68

23.61

27.55

29.51

35.42

1.5

11.81

17.72

23.62

29.53

35.43

41.34

44.29

53.15

2.0

15.74

23.61

31.48

39.35

47.22

55.09

59.03

70.83

2.5

19.68

29.52

39.36

49.20

59.04

68.88

73.80

88.56

3.0

23.61

35.42

47.22

59.03

70.83

82.64

88.54

106.25

4.0

31.48

47.22

62.96

78.70

94.44

110.18

118.05

141.66

5.0

39.35

59.03

78.70

98.38

118.05

137.73

147.56

177.08

6.5

51.16

76.74

102.32

127.90

153.48

179.06

191.85

230.22

8.0

62.96

94.44

125.92

157.40

188.88

220.36

236.10

283.32

9.5

74.77

112.16

149.54

186.93

224.31

261.70

280.39

336.47

12.5

98.38

147.57

196.76

245.95

295.14

344.33

368.93

442.71