a4 paper size

A4 paper is probably the most common paper size. This paper is standard for printers etc.

Size of paper a4

  • A4 paper size in millimetres is 210 mm x 297 mm.
  • A4 paper size in inches is 8.3 in x 11.7 in.

A4 Size a4 size

Envelopes for a4 paper

  • For an unfolded a4 you will need an c4 envelope.
  • Fold the a4 paper once – c5 envelope.
  • Fold the a4 paper twice – c6 envelope.

More about a4 paper size

The a4 paper size is the same as:

  • 2 x a5 paper
  • 4 x a6 paper
  • 1/2 of a3 paper
  • 1/4 of a2 paper

More A papers

See all paper sizes in A series.