Calculations & Conversions
In reams (500 sheets); basis weights in bold type
BOOK | BOND | COVER | VELLUM BRISTOL
INDEX | TAG
| BOOK |
Book
25x38 |
Bond
17x22 |
Cover
20x26 |
Bristol
22.5x28.5 |
Index
25.5x30.5 |
Tag
24x36 |
Metric
g/m2 |
| 30 |
11.8 |
16.4 |
20.3 |
24.6 |
27.3 |
44.4 |
| 40 |
15.7 |
21.9 |
27.0 |
32.7 |
36.4 |
59.2 |
| 45 |
17.7 |
24.6 |
30.4 |
36.8 |
40.9 |
66.6 |
| 50 |
19.7 |
27.4 |
33.8 |
40.9 |
45.5 |
74.0 |
| 60 |
23.6 |
32.8 |
40.5 |
49.1 |
54.6 |
88.8 |
| 70 |
27.6 |
38.3 |
47.3 |
57.3 |
63.7 |
103.6 |
| 80 |
31.5 |
43.8 |
54.0 |
65.5 |
72.8 |
118.4 |
| 90 |
35.4 |
49.3 |
60.8 |
73.7 |
81.9 |
133.2 |
| 100 |
39.4 |
54.7 |
67.5 |
81.9 |
90.9 |
148.1 |
| 120 |
47.2 |
65.7 |
81.0 |
98.2 |
109.1 |
177.7 |
| BOND |
Book
25x38 |
Bond
17x22 |
Cover
20x26 |
Bristol
22½x28½ |
Index
25½x30½ |
Tag
24x36 |
Metric
g/m2 |
| 33.0 |
13 |
18.1 |
22.3 |
27.0 |
30.0 |
48.9 |
| 40.6 |
16 |
22.2 |
27.4 |
33.3 |
37.0 |
60.2 |
| 50.8 |
20 |
27.8 |
34.3 |
41.6 |
46.2 |
75.2 |
| 61.0 |
24 |
33.4 |
41.1 |
49.9 |
55.4 |
90.3 |
| 71.1 |
28 |
38.9 |
48.0 |
58.2 |
64.7 |
105.3 |
| 81.3 |
32 |
44.5 |
54.9 |
66.5 |
73.9 |
120.3 |
| 91.4 |
36 |
50.1 |
61.7 |
74.9 |
83.2 |
135.4 |
| 101.6 |
40 |
55.6 |
68.6 |
83.2 |
92.4 |
150.4 |
| COVER |
Book
25x38 |
Bond
17x22 |
Cover
20x26 |
Bristol
22½x28½ |
Index
25½x30½ |
Tag
24x36 |
Metric
g/m2 |
| 91.3 |
36.0 |
50 |
61.7 |
74.8 |
83.1 |
135.2 |
| 109.6 |
43.2 |
60 |
74.0 |
89.7 |
99.7 |
162.3 |
| 118.8 |
46.8 |
65 |
80.2 |
97.2 |
108.0 |
175.8 |
| 146.2 |
57.5 |
80 |
98.7 |
119.7 |
132.9 |
216.4 |
| 164.4 |
64.7 |
90 |
111.0 |
134.6 |
149.5 |
243.4 |
| 182.7 |
71.9 |
100 |
123.3 |
149.6 |
166.2 |
270.5 |
| 201.0 |
79.1 |
110 |
135.6 |
164.5 |
182.8 |
297.5 |
| 237.5 |
93.5 |
130 |
160.3 |
194.4 |
216.0 |
351.6 |
| 292.3 |
115.1 |
160 |
197.3 |
239.3 |
265.8 |
432.8 |
| VELLUM BRISTOL |
Book
25x38 |
Bond
17x22 |
Cover
20x26 |
Bristol
22½x28½ |
Index
25½x30½ |
Tag
24x36 |
Metric
g/m2 |
| 99.3 |
39.1 |
54.3 |
67 |
81.3 |
90.3 |
147.0 |
| 118.5 |
46.7 |
64.9 |
80 |
97.0 |
107.8 |
175.5 |
| 148.1 |
58.3 |
81.1 |
100 |
121.3 |
134.7 |
219.3 |
| 177.8 |
70.0 |
97.3 |
120 |
145.5 |
161.7 |
263.2 |
| 207.4 |
81.7 |
113.5 |
140 |
169.8 |
188.6 |
307.1 |
| 237.0 |
93.3 |
129.7 |
160 |
194.1 |
215.6 |
350.9 |
| INDEX |
Book
25x38 |
Bond
17x22 |
Cover
20x26 |
Bristol
22½x28½ |
Index
25½x30½ |
Tag
24x36 |
Metric
g/m2 |
| 109.9 |
43.3 |
60.2 |
74.2 |
90 |
100.0 |
162.8 |
| 134.4 |
52.9 |
73.5 |
90.7 |
110 |
122.2 |
198.9 |
| 171.0 |
67.3 |
93.6 |
115.4 |
140 |
155.5 |
253.2 |
| 207.7 |
81.7 |
113.7 |
140.2 |
170 |
188.9 |
307.4 |
| TAG |
Book
25x38 |
Bond
17x22 |
Cover
20x26 |
Bristol
22½x28½ |
Index
25½x30½ |
Tag
24x36 |
Metric
g/m2 |
| 110.0 |
43.3 |
60.2 |
74.2 |
90.0 |
100 |
162.8 |
| 137.4 |
54.1 |
75.2 |
92.8 |
112.5 |
125 |
203.5 |
| 164.9 |
64.9 |
90.3 |
111.3 |
135.0 |
150 |
244.2 |
| 192.4 |
75.8 |
105.3 |
129.9 |
157.5 |
175 |
284.9 |
| 219.9 |
86.6 |
120.4 |
148.4 |
180.0 |
200 |
325.6 |
| 274.9 |
108.2 |
150.5 |
185.5 |
225.0 |
250 |
407.0 |
TO OUR VISITORS: The results of the Interactive Calculations System are estimates and are not guaranteed by International Paper.
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