# Size of A4

A4 paper is probably the most common paper size. This paper is standard for printers. A4 is also used for other documents, like magazines, catalogs, letters etc.

## Size of paper A4 in millimeters (cm)

• Size of A4 paper in mm measures 210 mm x 297 mm.
• 21 x 29.7 centimeters.

### Size of A4 in inches

• Size of A4 paper in inches measures 8.3 in x 11.7 in.

### 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.

### A4 size in pixels

• A4 paper size in pixels with a resolution of 72 PPI is 595 x 842 px.
• In a resolution of 300 PPI A4 is 2480 x 3508 px.

### More about A4 paper size

The A4 paper size has the same size as:

• 2 x A5 paper
• 4 x A6 paper
• 1/2 of A3 paper
• 1/4 of A2 paper