A1 Size In Inches

What is the exact A1 size in inches? Find out exact A1 paper size dimensions in inches for your printing or designing job.

A1 Paper Size in Inches

A1 is an ISO paper size, the actual dimensions are defined in mm. So the A1 size in inches that we give you is calculated from the mm values.

The size of one sheet of A1 paper in inches is 33.11" X 23.39".

Imperial notation for A1 size in inches: 33 1/8 X 23 3/8.

Notes To A1 Dimensions in Inches

  • Inch is a United States customary unit of length, the symbol " (double quote) is also used as an abbreviation.
  • As A1 is an ISO paper size, this A1 size in inches information is calculated from mm, and it is a rounded value. You can still treat this data as exact for everyday use.
  • Imperial notation is just for reference, use normal decimal notation (rounded to 2 decimal points) for more precise A1 sheet size in inches measurements.
  • To find out more information on the A1 paper size, click on the link.
    • a1 paper size inch