A3 Paper Size in Pixels

The table below displays the paper size of A3 paper in pixels at different Pixels Per Inch (PPI). Each pixel count is in 8 bits of colour.

Paper size Width Height
A3 – 72 PPI 842 Pixels 1191 Pixels
A3 – 200 PPI 2339 Pixels 3308 Pixels
A3 – 300 PPI 3508 Pixels 4962 Pixels
A3 – 400 PPI 4677 Pixels 6616 Pixels
A3 – 600 PPI 7016 Pixels 9924 Pixels
A3 – 1200 PPI 14031 Pixels 19848 Pixels
Ledger – 72 PPI 792 Pixels 1225 Pixels
Ledger – 200 PPI 2200 Pixels 3400 Pixels
Ledger – 300 PPI 3300 Pixels 5100 Pixels
Ledger – 400 PPI 4400 Pixels 6800 Pixels
Ledger – 600 PPI 6600 Pixels 10200 Pixels
Ledger – 1200 PPI 13200 Pixels 20400 Pixels

Ledger size = Canada and the United States of America.
A3 size = The rest of the world (United Kingdom, Australia, Germany, etc).

a3 paper size in pixels

What are pixels?

Pixels are not used for measuring size.

One pixel is a small dot of illumination on a display screen.

Multiple pixel dots compose an image.

Pixels are most standardised as 8bit in colour in 24bit displays each pixel can achieve over 16 million colours.