ANSI A (Letter) Paper Size, Dimensions and Format (ANSI series)

ANSI A (Letter) in millimeters

216 x 279


ANSI A (Letter)-paper-size


Aspect ratio 1:1.29
Area (A) 60,264 mm²
Perimeter (P) 990 mm
Diagonal (d) 352.84 mm


The ANSI A (Letter) format measures 216 x 279 mm or 8.5 x 11 inches. An ANSI A (Letter) paper fromat has an aspect ratio of 1:1.29. The Area of the ANSI A (Letter) paper size is 60,264 mm² or 93.50 in² with a perimeter of 990 mm or 39 in. An ANSI A (Letter) format has a diagonal length of 352.84 mm or 13.90 in. The ANSI A (Letter) size belongs to the ANSI series. In the ANSI series there are a total of 5 paper sizes.

Frequently Asked Questions:

The size of an ANSI A (Letter) paper is 216 x 279 mm

The size of an ANSI A (Letter) paper in inches is 8.5 x 11 in

The half size of an ANSI A (Letter) paper is 108 x 139.5 mm or 4.25 x 5.5 in

The aspect ratio of an ANSI A (Letter) is 1:1.29

The area of an ANSI A (Letter) paper is 60,264 mm or 93.50 in

The perimeter of an ANSI A (Letter) paper is 990 mm or 39 in

The diagonal measurement of ANSI A (Letter) paper is 352.84 mm or 13.90 in

Other ANSI Paper Sizes

There are a total of 5 ANSI Paper Sizes.