In an effort to help explain paper weights we have compiled the comprehensive table listed below.
Definitions:
- Basis Weight
The basis weight of a paper is the designated fixed weight of 500 sheets, measured in pounds, in that paper's basic sheet size.
It is important to note that the 'basic sheet size' is not the same for all types of paper. - Caliper
Caliper refers to the thickness of a sheet of paper expressed in thousandth of an inch. This measurement is taken with a micro meter.
Normally, paper caliper should not have more than a + or - 5% variance within a sheet.
Generally, the relation between caliper and basis weight is the greater the caliper (the thicker the paper), the greater the paper weight. - Equivalent Weight
While different paper types have different basic sizes, papers can still be compared by using equivalent weight.
- Basis Weight ('Category') Table
Paperless 3 0 71 Mm Ruler
Type Paper | Basic Size - 500 Sheets |
'Bond' | 17' x 22' |
'Offset' | 25' x 38' |
'Cover' | 20' x 26' |
'Tag Stock' | 24' x 36' |
'Index' | 25-1/2' x 30-1/2' |
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Basis Weight ('Equivalent') Table
The Values in the table below are intended to serve as a guide only.
They should not be used as specifications because there are variances
within the same basis weight due to other characteristics of the papers.
Similar weight papers may vary between different paper manufacturers.
To use the chart read across to find the equivalent,
example 16 Lb. Bond paper weight is equivalent to 40 Lb. Offset paper weight
Bond | Offset | Cover | Tag | Index | Points | Caliper | Millimeters | Metric |
16 | 40 | 22 | 37 | 33 | 3.2 | .0032 | 0.081 | 60.2 gsm |
18 | 45 | 24 | 41 | 37 | 3.6 | .0036 | 0.092 | 67.72 gsm |
20 | 50 | 28 | 46 | 42 | 3.8 | .0038 | 0.097 | 75.2 gsm |
24 | 60 | 33 | 56 | 50 | 4.8 | .0048 | 0.12 | 90.3 gsm |
28 | 70 | 39 | 64 | 58 | 5.8 | .0058 | 0.147 | 105.35 gsm |
29 | 73 | 40 | 62 | 60 | 6 | .0060 | 0.152 | 109.11 gsm |
31 | 81 | 45 | 73 | 66 | 6.1 | .0061 | 0.155 | 116.63 gsm |
35 | 90 | 48 | 80 | 74 | 6.2 | .0062 | 0.157 | 131.68 gsm |
36 | 90 | 50 | 82 | 75 | 6.8 | .0068 | 0.173 | 135.45 gsm |
39 | 100 | 54 | 90 | 81 | 7.2 | .0072 | 0.183 | 146.73 gsm |
40 | 100 | 56 | 93 | 83 | 7.3 | .0073 | 0.185 | 150.5 gsm |
43 | 110 | 60 | 100 | 90 | 7.4 | .0074 | 0.188 | 161.78 gsm |
44 | 110 | 61 | 102 | 92 | 7.6 | .0076 | 0.193 | 165.55 gsm |
47 | 120 | 65 | 108 | 97 | 8 | .0078 | 0.198 | 176.83 gsm |
53 | 135 | 74 | 122 | 110 | 9 | .0085 | 0.216 | 199.41 gsm |
54 | 137 | 75 | 125 | 113 | 9 | .009 | 0.229 | 203.17 gsm |
58 | 146 | 80 | 134 | 120 | 9.5 | .0092 | 0.234 | 218.22 gsm |
65 | 165 | 90 | 150 | 135 | 10 | .0095 | 0.241 | 244.56 gsm |
67 | 170 | 93 | 156 | 140 | 10.5 | .010 | 0.25 | 252.08 gsm |
72 | 183 | 100 | 166 | 150 | 11 | .011 | 0.289 | 270.9 gsm |
76 | 192 | 105 | 175 | 158 | 13 | .013 | 0.33 | 285.95 gsm |
82 | 208 | 114 | 189 | 170 | 14 | .014 | 0.356 | 308.52 gsm |
87 | 220 | 120 | 200 | 180 | 15 | .015 | 0.38 | 312 gsm |
105 | 267 | 146 | 244 | 220 | 18 | .0175 | 0.445 | 385.06 gsm |
* Normal paper manufacturing tolerance within a paper production run is + or - 5% to 7% caliper
International Metric Paper Sizes - ISO Standard
SIZE | WIDTH | HEIGHT | WIDTH | HEIGHT |
A0 | 841 mm | 1,189 mm | 33.11 in. | 46.81 in. |
A1 | 594 mm | 841 mm | 23.39 in. | 33.11 in. |
A2 | 420 mm | 594 mm | 16.54 in. | 23.39 in. |
A3 | 297 mm | 420 mm | 11.69 in. | 16.54 in. |
A4 | 210 mm | 297 mm | 8.27 in. | 11.69 in. |
A5 | 148 mm | 210 mm | 5.83 in. | 8.27 in. |
A6 | 105 mm | 148 mm | 4.13 in. | 5.83 in. |
A7 | 74 mm | 105 mm | 2.91 in. | 4.13 in. |
B0 | 1,028 mm | 1,456 mm | 57.32 in. | |
B1 | 728 mm | 1,028 mm | 28.66 in. | 40.48 in. |
B2 | 514 mm | 728 mm | 20.24 in. | 28.66 |
B3 | 364 mm | 514 mm | 14.33 in. | 20.24 in. |
B4 | 257 mm | 364 mm | 10.12 in. | 14.33 in. |
B5 | 182 mm | 257 mm | 7.17 in. | 10.12 in. |
B6 | 128 mm | 182 mm | 5.04 in. | 7.17 in. |
Reference Charts for Common Envelopes Size Chart
Commercial / Official Sizes | ||
No. | Inches | Millimeters |
6 1/4 | 3 1/2 x 6 | 89 x 152 |
6 3/4 | 3 5/8 x 6 1/2 | 92 x 165 |
7 | 3 3/4 x 6 3/4 | 95 x 171 |
Monarch (pointed Flap) | 3 7/8 x 7 1/2 | 98 x 191 |
8 5/8 | 3 5/8 x 8 5/8 | 92 x 219 |
9 | 3 7/8 x 8 7/8 | 98 x 225 |
10 (also Square Flap) | 4 1/8 x 9 1/2 | 105 x 241 |
11 (also Square Flap) | 4 1/2 x 10 3/8 | 114 x 264 |
12 (also Square Flap) | 4 3/4 x 11 | 121 x 279 |
14 (also Square Flap) | 5 x 11 1/2 | 127 x 292 |
Booklet (Wallet Flap) | ||
No. | Inches | Millimeters |
3 | 4 3/4 x 6 1/2 | 121 x 165 |
5 | 5 1/2 x 8 1/8 | 140 x 206 |
6 | 5 3/4 x 8 7/8 | 146 x 225 |
6 1/2 | 6 x 9 | 152 x 229 |
6 5/8 | 6 x 9 1/2 | 152 x 241 |
6 3/4 | 6 1/2 x 9 1/2 | 165 x 241 |
7 1/4 | 7 x 10 | 178 x 254 |
7 1/2 | 7 1/2 x 10 1/2 | 191 x 267 |
9 | 8 3/4 x 11 1/2 | 222 x 292 |
9 1/2 | 9 x 12 | 229 x 305 |
10 | 9 1/2 x 12 5/8 | 241 x 321 |
13 | 10 x 13 | 254 x 330 |
Window (Commercial Flap) | ||
No. | Inches | Millimeters |
6 1/4 | 3 1/2 x 6 | 89 x 152 |
6 3/4 | 3 5/8 x 6 1/2 | 92 x 165 |
7 | 3 3/4 x 6 3/4 | 95 x 171 |
Monarch | 3 7/8 x 7 1/2 | 98 x 191 |
8 5/8 | 3 5/8 x 8 5/8 | 92 x 219 |
9 | 3 7/8 x 8 7/8 | 98 x 225 |
10 | 4 1/8 x 9 1/2 | 105 x 241 |
11 | 4 1/2 x 10 3/8 | 114 x 264 |
12 | 4 3/4 x 11 | 121 x 279 |
14 | 5 x 11 1/2 | 127 x 292 |
Announcement (Square Flap) | ||
No. | Inches | Millimeters |
A-2 | 4 3/8' x 5 3/4' | 111 x 146 |
A-6 | 4 3/4 x 6 1/2 | 121 x 165 |
A-7 | 5 1/4 x 7 1/4 | 133 x 184 |
A-8 | 5 1/2 x 8 1/8 | 140 x 206 |
A-9 | 5 3/4' x 8 3/4' | |
A-10 | 6 x 9 1/2 | 152 x 241 |
Slimline | 3 7/8 x 8 7/8 | 98 x 225 |
Baronial (Pointed Flap) | ||
No. | Inches | Millimeters |
4 | 3 5/8 x 5 1/8 | 92 x 130 |
5 | 4 1/8 x 5 1/2 | 105 x 140 |
5 1/2 | 4 3/8' x 5 3/4' | 111 x 146 |
6 | 4 3/4 x 6 1/2 | 121 x 165 |
Lee | 5 1/4 x 7 1/4 | 133 x 184 |
HELPFUL GUIDELINES for Inkjet Paper
Prior to use, paper should be allowed to acclimate at least 48 Hours in the environment in which it will be used.
Optimum storage facility would retain temperatures between 70-80 degrees F with 50% relative humidity.
Before loading paper, fan the sheets on all four sides. This creates a small layer of air between the sheets which should help printer feeding mechanisms.
Do Not Stack Materials. Feed into printer one sheet at a time.
Load Materials according to the instructions in the printer owner's manual.
Recommended feeding is generally to use the manual feed tray, or the straightest path through the printer.
Paperless 3 0 71 Mm
Upon Completion, the unused material should be stored in a closed package, resealed and stored flat.
ADDITIONAL CONVERSION TABLES
How to Convert to Metric
Length and Distance
Paperless 3 0 71 Mm Inches
When you know | Multiply by | To Find |
inches | 2.54 | centimeters |
feet | 30.480 | centimeters |
miles | 1.609 | kilometers |
centimeters | 0.394 | inches |
meters | 1.094 | yards |
kilometers | 0.621 | miles |
Weight
When you know | Multiply by | To Find |
pounds | 0.454 | kilograms |
tons | 0.907 | metric tons |
kilograms | 2.205 | pounds |
metric tons | 1.202 | tons |
Temperature
When you know | Do This | To Find |
degrees | Subtract 32 | degrees |
degrees | Multiply by 9/5 | degrees |
Surface or Area
When you know | Multiply by | To Find |
square feet | 0.093 | square meters |
square miles | 2.590 | square kilometers |
square centimeters | 0.155 | square inches |
square kilometers | 0.386 | square miles |
Decimal Equivalents
1/64 | = | 0.015625 |
1/16 | = | 0.0625 |
1/8 | = | 0.125 |
3/16 | = | 0.1875 |
1/4 | = | 0.25 |
5/16 | = | 0.3125 |
3/8 | = | 0.375 |
7/16 | = | 0.4375 |
1/2 | = | 0.5 |
9/16 | = | 0.5625 |
5/8 | = | 0.625 |
11/16 | = | 0.6875 |
3/4 | = | 0.75 |
13/16 | = | 0.8125 |
7/8 | = | 0.875 |
15/16 | = | 0.9375 |
1 | = | 1.0 |