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US #9 Envelope Size
Find US #9 Envelope size in mm, cm, inches, pixels, and common DPI values.
Immediate answer
US #9 Envelope at a glance
Use these defaults for quick design, print, or layout decisions.
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Use US #9 Envelope for
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US #9 Envelope key dimensions
The same values in compact cards for scanning.
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More US Envelopes sizes
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US #9 Envelope pixel table
Common DPI values for designers and print workflows. Use the bottom calculator bar for custom DPI or orientation.
| DPI | Portrait pixels | Landscape pixels |
|---|---|---|
| 72 DPI | 279 x 639 px | 639 x 279 px |
| 96 DPI | 372 x 852 px | 852 x 372 px |
| 150 DPI | 581 x 1331 px | 1331 x 581 px |
| 300 DPI | 1162 x 2663 px | 2663 x 1162 px |
| 600 DPI | 2325 x 5325 px | 5325 x 2325 px |
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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 US #9 Envelope size in inches?
US #9 Envelope is 3.88 x 8.88 in when rounded to two decimals.
What is US #9 Envelope at 300 DPI?
US #9 Envelope at 300 DPI is 1162 x 2663 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.