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Letter (North American paper sizes), paper size
The paper size Letter is the most common paper size for office use in the United States, Canada, Mexico, Chile, and a few other countries. (The most commonly used paper size outside North America is the international standard A4 sized paper.) Letter size is 8½ × 11 inches, or exactly 215.9 × 279.4 mm (while the A4 standard is 210mm × 297mm).
1 Letter
is equal to
×0.97
International paper size: A
International paper size: B
International paper size: C
North American paper sizes
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×1
-
×0.78
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×0.5
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×0.5
-
×1
-
×0.5
-
×0.5
-
×0.25
-
×0.12
-
×0.06
-
×0.08
-
×1.99
-
×1.17
-
×0.87
-
×0.38
-
×0.31
-
×0.31
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×0.24
-
×0.23
-
×0.22
-
×0.19
-
×0.15
-
×0.12
-
×0.06
Japanese paper sizes
Inch based paper sizes
-
×0.03
-
×0.06
-
×0.08
-
×0.09
-
×0.11
-
×0.12
-
×0.14
-
×0.13
-
×0.16
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×0.17
-
×0.2
-
×0.16
-
×0.18
-
×0.22
-
×0.29
-
×0.34
-
×0.41
-
×0.43
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×0.43
-
×0.5