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International Paper Sizes

The International Standard ISO 216 is a paper size standard that has been adopted by majority of the countries of the world. It is a metric-based system with a consistent ratio (1:1.4142) so that each size can be divided evenly into smaller half sheets.The benefit is that printed materials can easily be reproduced in different sizes without having to crop or change the layout of the item being printed.This optimizes the printer's costs by allowing them to use the the entire parent sheet and prevents excess paper from being wasted.

A series – These sizes are the most commonly used for business documents and everyday use.

B Series – These sizes are often used for posters, books, envelopes, and passports.

C Series – These sizes are used for constructing envelopes as they are slightly larger than the A series so that a C4 envelope with fit an A4 piece of paper for example.

Format Metric Inches No Flap Biodegradable No Flap Flap Seal Biodegradable Flap Seal Protective Closure Hanging
A0 841 x 1189mm 33.1 x 46.8 - - B4735* - - -
A1 594x841mm 23.4x33.1 - - BA1 - BA1PC -
A2 420x594mm 16.5x23.4 - - BA2 - BA2PC -
A3 297x420mm 11.7x16.5 - - BA3 - BA3PC -
A4 210x297mm 8.3x11.7 - - BA4

-

BA4PC HBA4
A5 148x210mm 5.8x8.3 - - BA5S - BA5SPC -
A6 105x148mm 4.1x5.8 - - BA6S - BA6SPC -
A7 74x105mm 2.9x4.1 B34CNF - B34 - - HB34
A8 52x74mm 2x2.9 - - B23 - - HB23
A9 37x52mm 1.5x2 - - - - - -
A10 26x37mm 1x1.5 - - - - - -
B0 1000x1414mm 39.4x55.7 - - B6040** - - -
B1 707x1000mm 27.8x39.4 - - B4432** - - -
B2 500x707mm 19.7x27.8 - - B2028 - - -
B3 353x500mm 13.9x19.7 - - - - - -
B4 250x353mm 9.8x13.9 - - - - - -
B5 176x250mm 6.9x9.8 - - B711* - - -
B6 125x176mm 4.9x6.9 B75NF - B75S - B75SPC HB75
B7 88x125mm 3.5x4.9 - - B35 - - -
B8 62x88mm 2.4x3.5 B23CNF - B2XL - - HB23
B9 44x62mm 1.7x2.4 - - - - - -
B10 31x44mm 1.2 x 1.7 - - - - - -
C0 917x1297mm 36.1x51.1 - - B6040** - - -
C1 648x917mm 25.5x36.1 - - B36* - - -
C2 458x648mm 18x25.5 - - - - - -
C3 324x458mm 12.8x18 - - - - - -
C4 229x324mm 9x12.8 - - B913 - - HB913
C5 162x229mm 6.4x9 - - B610* - - HB610*
C6 114x162mm 4.5x6.4 - - B56M - - HB56
C7 81x114mm 3.2x4.5 - - B3X6* - - -
C8 57x81mm 2.2x3.2 B2NF - B2 - B2PC HB2
C9 40x57mm 1.6x2.2 - - B1X2XL* - - -
C10 28x40mm 1.1x1.6 B1X2NF - - - - -

 

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*The width fits, but the length is longer. Simply fold the adhesive flap down and seal it lower on the bag to create a tight fit.

**The width and the length is longer. Fold the adhesive flap down and seal it lower on the bag. Then fold and tape the excess width to make a tight fit.