A3 size in inches

The most common A3 paper size in inches (in) is 11.693 x 16.535 in. One inch is an English thumb. It is a length that many English speaking countries use. The unit symbol is in or “. One inch is equal to 25.4 millimetres. For more information, please refer to the page: What is A3 size in inches?

A3 size in inches calculator.

To calculate the A3 size (and other A sizes), use the calculator below. First, select the A-size and then choose the unit in which you want the calculation. We will show the result in the last column undersize. By default, the calculator on this page is on the A3 and as a unit inches.

Beneath the calculator is an image with an A3 in landscape and portrait mode. The value for length and width is in inches.


Please select a size


Please select a unit



Overview A-size in inches.

Overview of the A3 size in inches (in).

Size Inches
4A0 66.220 x 93.622
2A0 46.811 x 66.220
A0 33.110 x 46.811
A1 23.386 x 33.110
A2 16.535 x 23.386
A3 11.693 x 16.535
A4 8.268 x 11.693
A5 5.827 x 8.268
A6 4.134 x 5.827
A7 2.913 x 4.134
A8 2.047 x 2.913
A9 1.457 x 2.047
A10 1.024 x 1.457

Other units such as centimetres, pixels and metres.

Choose from the units below for the A3 size in Micrometres (μm), Millimetrers (mm), Centimetres (cm), Meters (m), Thou (th), Feet (ft), Yards (yd), Pixels, Pica, Point and HPGL.