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9 x 12 Envelope Size
Find 9 x 12 Envelope size in mm, cm, inches, pixels, and common DPI values.
Immediate answer
9 x 12 Envelope at a glance
Use these defaults for quick design, print, or layout decisions.
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Use 9 x 12 Envelope for
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9 x 12 Envelope key dimensions
The same values in compact cards for scanning.
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More US Envelopes sizes
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9 x 12 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 | 648 x 864 px | 864 x 648 px |
| 96 DPI | 864 x 1152 px | 1152 x 864 px |
| 150 DPI | 1350 x 1800 px | 1800 x 1350 px |
| 300 DPI | 2700 x 3600 px | 3600 x 2700 px |
| 600 DPI | 5400 x 7200 px | 7200 x 5400 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 9 x 12 Envelope size in inches?
9 x 12 Envelope is 9 x 12 in when rounded to two decimals.
What is 9 x 12 Envelope at 300 DPI?
9 x 12 Envelope at 300 DPI is 2700 x 3600 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.