A4 Paper Size in Millimetres

A4 paper measures 210mm x 297mm. The table below displays the dimensions of A4 paper in millimetres in portrait.

Paper Size Type Paper Width Paper Height
A4 Dimensions 210 mm 297 mm
Letter Dimensions 216 mm 280 mm

Letter size: Canada and the United States of America.
A4 size in mm: United Kingdom, Australia, Germany, Singapore, India, United Arab Emirates, Philippines, New Zealand and nearly ever other country in the world.



What are Millimetres?

Millimetres are also known as mm and are part of the metric system of measurement system.

Millimetres are one tenth of a centimetre and one thousandth of a metre.

Millimetres are most used for measuring small distances.

Paper has a history nearly 2000 years old, but it took a long time to be known as we know paper today...

View the dimensions of A4 paper in pixels at different types PPI and DPI. Including Letter size and A4 paper for use in Photoshop at different dots/pixels per inch...

Read this compressed version of how paper is made by A4PaperSize.org. Learn how paper goes from being a tree, to being a useful tool around the world...

View the dimensions of A4 paper in inches for the UK, USA, Australia, Europe, Japan. Comparing the size of A4 paper to Letter size & what an Inch is...