SizeKit reference

A1 Size

Find A1 size in mm, cm, inches, pixels, and common DPI values.

A1 size is 594 x 841 mm, or 23.39 x 33.11 in. At 300 DPI, A1 is 7016 x 9933 px.

Immediate answer

A1 at a glance

Use these defaults for quick design, print, or layout decisions.

Compare group
Millimeters 594 x 841 mm physical size
Inches 23.39 x 33.11 in rounded
Pixels at 300 DPI 7016 x 9933 px print-ready default

SizeKit

Use A1 for

Choose the page path based on the next decision, not on calculator settings.

CMP Compare nearby sizes Open related sizes before choosing a format.

SizeKit

A1 key dimensions

The same values in compact cards for scanning.

Millimeters
594 x 841
mm
Centimeters
59.4 x 84.1
cm
Inches
23.39 x 33.11 in
rounded
300 DPI
7016 x 9933 px
pixels

SizeKit

A1 pixel table

Common DPI values for designers and print workflows. Use the bottom calculator bar for custom DPI or orientation.

DPIPortrait pixelsLandscape pixels
72 DPI1684 x 2384 px2384 x 1684 px
96 DPI2245 x 3179 px3179 x 2245 px
150 DPI3508 x 4967 px4967 x 3508 px
300 DPI7016 x 9933 px9933 x 7016 px
600 DPI14031 x 19866 px19866 x 14031 px

SizeKit

Formula

SizeKit uses a transparent rounding rule.

pixels = round((millimeters / 25.4) x DPI). Inches = millimeters / 25.4.

SizeKit

FAQ

Quick answers for this paper size.

What is A1 size in inches?

A1 is 23.39 x 33.11 in when rounded to two decimals.

What is A1 at 300 DPI?

A1 at 300 DPI is 7016 x 9933 px.

Can I switch to landscape?

Yes. Use the bottom calculator and choose landscape to swap width and height.