SizeKit reference

US #10 Envelope Size

Find US #10 Envelope size in mm, cm, inches, pixels, and common DPI values.

US #10 Envelope size is 104.78 x 241.3 mm, or 4.13 x 9.5 in. At 300 DPI, US #10 Envelope is 1238 x 2850 px.

Immediate answer

US #10 Envelope at a glance

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

Compare group
Millimeters 104.78 x 241.3 mm physical size
Inches 4.13 x 9.5 in rounded
Pixels at 300 DPI 1238 x 2850 px print-ready default

SizeKit

Use US #10 Envelope 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

US #10 Envelope key dimensions

The same values in compact cards for scanning.

Millimeters
104.78 x 241.3
mm
Centimeters
10.48 x 24.13
cm
Inches
4.13 x 9.5 in
rounded
300 DPI
1238 x 2850 px
pixels

SizeKit

US #10 Envelope pixel table

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

DPIPortrait pixelsLandscape pixels
72 DPI297 x 684 px684 x 297 px
96 DPI396 x 912 px912 x 396 px
150 DPI619 x 1425 px1425 x 619 px
300 DPI1238 x 2850 px2850 x 1238 px
600 DPI2475 x 5700 px5700 x 2475 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 US #10 Envelope size in inches?

US #10 Envelope is 4.13 x 9.5 in when rounded to two decimals.

What is US #10 Envelope at 300 DPI?

US #10 Envelope at 300 DPI is 1238 x 2850 px.

Can I switch to landscape?

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

SizeKit

Related sizes

Compare nearby sizes before choosing a layout.