US Letter Paper Size in inches and mm
US Letter = 8.5 x 11 in (215.9 x 279.4 mm), the standard business paper in the US and Canada (ANSI A).
Open the interactive Standards & Sizes tool →Key facts
| Inches | 8.5 x 11 in |
|---|---|
| Millimeters | 215.9 x 279.4 mm |
| Standard | ANSI / North American |
| Region | US, Canada business standard |
Frequently asked questions
What is US Letter in mm?
US Letter is 215.9 x 279.4 mm (8.5 x 11 inches).
Is US Letter the same as A4?
No. A4 (210 x 297 mm) is narrower and taller; Letter (215.9 x 279.4 mm) is wider and shorter.
Related pages
US Letter Paper Size is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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