紙張的重量以“定量”和“克重”表示,通常以定量表示。定量又稱“克重”,就是紙張每平方米的重量,即克/米²。定量是紙張厚薄的標志,定量越大,紙張越厚。例如,常用的52、120、250克/米²的紙,后一種就比前一種厚。定量在250克/米²以下的稱為紙,超過的稱為紙板。
令重表示每令紙500張的總重量。
令重的計算方法是:
令重(kg)=每張紙的面積(米²)×克重×500÷1000
紙張規格
克重 (g/㎡)
令重 (kg)
習慣令重 (kg)
每噸令數
787×1092
16
6.875
6.9
145.455
(0.8594㎡)
17
7.305
7.3
136.893
18
7.735
7.7
129.282
20
8.59
8.6
116.360
22
9.453
9.5
105.787
25
10.743
10.7
93.084
26
11.172
11.2
89.509
28
12.032
12
83.112
30
12.891
12.9
77.574
32
13.751
13.8
72.722
35
15.04
15
66.489
37
15.899
15.9
62.897
40
17.188
17.02
58.180
45
19.337
19.3
51.714
50
21.485
21.5
46.544
51
21.915
21.9
45.631
52
22.345
22.3
44.753
55
23.634
23.6
42.312
60
25.782
25.8
38.787
65
27.931
27.9
35.803
70
30.079
30.1
33.246
75
32.228
32.2
31.029
80
34.376
34.4
29.090
85
36.525
36.5
27.379
90
38.673
38.7
25.858
95
40.822
40.8
24.497
100
42.97
43
23.272
105
45.119
45.1
22.164
110
47.267
47.3
21.156
120
51.564
51.6
19.393
128
55.002
55
18.181
130
55.861
55.9
17.902
140
60.158
60.2
16.623
150
64.455
64.5
15.515
157
67.463
67.5
14.823
160
68.752
68.8
14.545
180
77.346
77.3
17.929
200
85.94
85.9
11.636
210
90.237
90.2
11.082
220
94.534
94.5
10.578
230
98.832
98.8
10.118
250
107.426
107.4
9.305
261
112.23
112.2
8.912
280
120.317
120.3
8.311
290
124.614
124.6
8.025
300
128.911
128.9
7.757
紙張規格
克重 (g/㎡)
令重 (kg)
習慣令重 (kg)
每噸令數
850×1168
40
19.86
19.9
50.352
(0.9928㎡)
45
22.34
22.3
44.768
51
25.32
25.3
39.500
52
25.81
25.8
38.745
60
29.78
29.8
33.575
65
32.3
32.3
30.960
70
34.75
34.8
28.777
80
39.71
39.7
25.183
90
44.67
44.7
22.371
100
49.64
49.6
20.161
105
52.12
52.1
19.186
110
54.6
54.6
18.314
120
59.6
59.6
16.779
128
63.5
63.5
15.748
140
70
70
14.285
150
74.5
75.5
13.423
157
77.9
77.9
12.827
180
89.4
89.4
11.186
200
99.3
99.3
10.070
250
124.1
124.1
8.085
256
127.1
127.1
7.868
300
148.9
148.9
6.716
紙張規格
克重 (g/㎡)
令重 (kg)
習慣令重 (kg)
每噸令數
880×1230
40
21.6
21.6
46.296
(1.0824㎡)
45
24.4
24.4
40.984
51
27.6
27.6
36.232
52
28.1
28.1
35.587
60
32.5
32.5
30.769
65
35.2
35.2
28.409
70
37.9
37.9
26.385
80
43.3
43.3
23.095
90
48.7
48.7
20.543
100
54.1
54.1
18.484
105
56.83
56.8
17.598
120
64.9
64.9
15.408
128
69.3
69.3
14.430
150
81
81
12.315
157
85
85
11.763
180
97.4
97.4
10.267
200
108.2
108.2
9.242.
250
135.3
135.3
7.391
256
138.5
138.5
7.220
300
162.4
162.4
6.158
889×1194
40
21.23
21.2
47.103
(1.0614㎡)
45
23.88
23.9
41.876
51
27.07
27.1
36.941
52
27.6
27.6
36.232
60
31.84
31.8
31.407
65
34.5
34.5
28.986
70
37.15
37.2
26.918
80
42.46
42.5
23.552
90
47.76
47.8
20.938
100
53.07
53.1
18.843
105
55.73
55.7
17.944
120
63.69
63.7
15.701
128
67.93
67.9
14.721
150
79.61
79.6
12.561
157
83.32
83.3
12.002
180
95.53
95.5
10.468
200
106.15
106.2
9.421
250
132.68
132.7
7.537
256
135.87
135.9
7.360
300
159.22
159.2
6.281
635×1118
25
8.874
8.87
112.689
(0.7099㎡)
30
10.649
10.6
93.906
32
11.359
11.36
88.036
35
12.424
12.4
80.489
40
14.2
14.2
70.422
559×864
17
4.105
4.1
243.605
(0.4829㎡)
27
6.52
6.52
153.374
28
6.762
6.76
147.885
695×960
52
17.342
17.3
57.971
(0.6672㎡)
70
23.345
23.3
42.735
80
26.68
26.7
37.453
100
33.36
33.4
29.976
695×1092
52
19.734
19.7
50.658
(0.7589㎡)
70
26.565
26.6
37.593
80
30.36
30.4
32.894
100
37.95
37.9
26.350
730×1035
52
19.64
19.6
50.916
(0.7555㎡)
70
26.44
26.4
37.820
80
30.22
30.2
33.090
100
37.78
37.8
26.469
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