SizeKit reference

B4 Size

Find B4 size in mm, cm, inches, pixels, and common DPI values.

B4 size is 250 x 353 mm, or 9.84 x 13.9 in. At 300 DPI, B4 is 2953 x 4169 px.

Immediate answer

B4 at a glance

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

Compare group
Millimeters 250 x 353 mm physical size
Inches 9.84 x 13.9 in rounded
Pixels at 300 DPI 2953 x 4169 px print-ready default

SizeKit

Use B4 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

B4 key dimensions

The same values in compact cards for scanning.

Millimeters
250 x 353
mm
Centimeters
25 x 35.3
cm
Inches
9.84 x 13.9 in
rounded
300 DPI
2953 x 4169 px
pixels

SizeKit

B4 pixel table

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

DPIPortrait pixelsLandscape pixels
72 DPI709 x 1001 px1001 x 709 px
96 DPI945 x 1334 px1334 x 945 px
150 DPI1476 x 2085 px2085 x 1476 px
300 DPI2953 x 4169 px4169 x 2953 px
600 DPI5906 x 8339 px8339 x 5906 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 B4 size in inches?

B4 is 9.84 x 13.9 in when rounded to two decimals.

What is B4 at 300 DPI?

B4 at 300 DPI is 2953 x 4169 px.

Can I switch to landscape?

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