Example:  .0048 Caliper = 24 Bond = 60 Offset = 32 Cover = 55 Tag = 49 Index = 4.8 Points = 0.12 millimeters = 88.81 Metric (gsm)

Caliper and How it Relates to Basis Weight for Most Major Grades

 

-
*Caliper
(inches)


 

--
Bond
--


 

-
Offset
-


 

-
Cover
-


 

--
Tag
--


 

-
Index
-


 

-
Points
-


 

--
millimeters
--


 

-
Metric
(grams/sq meter)


 

Equivalent

.0032

16

41

22

37

33

3.2

0.081

60.15 gsm

Weight

.0036

18

45

24

41

37

3.6

0.092

66.61 gsm

 

.0038

20

50

27

45

41

3.8

0.097

74.01 gsm

 

.0048

24

60

32

55

49

4.8

0.12

88.81 gsm

 

.0058

28

70

38

64

57

5.8

0.147

103.61 gsm

 

.0060

29

73

40

62

60

6

0.152

109.11 gsm

 

.0061

31

81

43

73

66

6.1

0.155

118.42 gsm

 

.0062

35

90

48

80

74

6.2

0.157

131.68 gsm

 

.0068

36

90

50

82

75

6.8

0.173

135.45 gsm

 

.0072

39

100

54

91

81

7.2

0.183

148.02 gsm

 

.0073

40

100

56

93

83

7.3

0.185

150.5 gsm

 

.0074

43

110

60

100

90

7.4

0.188

161.78 gsm

 

.0076

44

110

61

102

92

7.6

0.193

165.55 gsm

 

.0078

47

120

65

108

97

8

0.198

176.83 gsm

 

.0085

53

135

74

122

110

9

0.216

199.41 gsm

 

.009

54

137

75

125

113

9

0.229

203.17 gsm

 

.0092

58

146

80

134

120

9.5

0.234

218.22 gsm

 

.0095

65

165

90

150

135

10

0.241

244.56 gsm

 

.010

67

170

93

156

140

10.5

0.25

252.08 gsm

 

.011

72

183

100

166

150

11

0.289

270.9 gsm

 

.013

76

192

105

175

158

13

0.33

285.95 gsm

 

.014

82

208

114

189

170

14

0.356

308.52 gsm

 

.015

87

220

120

200

180

15

0.38

312 gsm

 

.0175

105

267

146

244

220

18

0.445

385.06 gsm

 

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