SizeKitSizeKit reference
C6 Envelope Size
Find C6 Envelope size in mm, cm, inches, pixels, and common DPI values.
Immediate answer
C6 Envelope at a glance
Use these defaults for quick design, print, or layout decisions.
SizeKit
Use C6 Envelope for
Choose the page path based on the next decision, not on calculator settings.
SizeKit
C6 Envelope key dimensions
The same values in compact cards for scanning.
SizeKit
More Intl Envelopes sizes
Open nearby size pages without going back to the table.
Browse - Select - Open
All size pages
SizeKit
C6 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 | 323 x 459 px | 459 x 323 px |
| 96 DPI | 431 x 612 px | 612 x 431 px |
| 150 DPI | 673 x 957 px | 957 x 673 px |
| 300 DPI | 1346 x 1913 px | 1913 x 1346 px |
| 600 DPI | 2693 x 3827 px | 3827 x 2693 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 C6 Envelope size in inches?
C6 Envelope is 4.49 x 6.38 in when rounded to two decimals.
What is C6 Envelope at 300 DPI?
C6 Envelope at 300 DPI is 1346 x 1913 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.