SizeKit reference

6 x 9 Envelope Size

Find 6 x 9 Envelope size in mm, cm, inches, pixels, and common DPI values.

6 x 9 Envelope size is 152.4 x 228.6 mm, or 6 x 9 in. At 300 DPI, 6 x 9 Envelope is 1800 x 2700 px.

Immediate answer

6 x 9 Envelope at a glance

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

Compare group
Millimeters 152.4 x 228.6 mm physical size
Inches 6 x 9 in rounded
Pixels at 300 DPI 1800 x 2700 px print-ready default

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Use 6 x 9 Envelope for

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6 x 9 Envelope key dimensions

The same values in compact cards for scanning.

Millimeters
152.4 x 228.6
mm
Centimeters
15.24 x 22.86
cm
Inches
6 x 9 in
rounded
300 DPI
1800 x 2700 px
pixels

SizeKit

6 x 9 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 DPI432 x 648 px648 x 432 px
96 DPI576 x 864 px864 x 576 px
150 DPI900 x 1350 px1350 x 900 px
300 DPI1800 x 2700 px2700 x 1800 px
600 DPI3600 x 5400 px5400 x 3600 px

SizeKit

Formula

SizeKit uses a transparent rounding rule.

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

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FAQ

Quick answers for this paper size.

What is 6 x 9 Envelope size in inches?

6 x 9 Envelope is 6 x 9 in when rounded to two decimals.

What is 6 x 9 Envelope at 300 DPI?

6 x 9 Envelope at 300 DPI is 1800 x 2700 px.

Can I switch to landscape?

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

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Related sizes

Compare nearby sizes before choosing a layout.