SizeKit reference
C4 Envelope Size
Find C4 Envelope size in mm, cm, inches, pixels, and common DPI values.
Immediate answer
C4 Envelope at a glance
Use these defaults for quick design, print, or layout decisions.
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Use C4 Envelope for
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C4 Envelope key dimensions
The same values in compact cards for scanning.
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More C Envelopes sizes
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C4 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 | 649 x 918 px | 918 x 649 px |
| 96 DPI | 866 x 1225 px | 1225 x 866 px |
| 150 DPI | 1352 x 1913 px | 1913 x 1352 px |
| 300 DPI | 2705 x 3827 px | 3827 x 2705 px |
| 600 DPI | 5409 x 7654 px | 7654 x 5409 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 C4 Envelope size in inches?
C4 Envelope is 9.02 x 12.76 in when rounded to two decimals.
What is C4 Envelope at 300 DPI?
C4 Envelope at 300 DPI is 2705 x 3827 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.
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