SizeKitSizeKit reference
US Letter Size
Find US Letter size in mm, cm, inches, pixels, and common DPI values.
Immediate answer
US Letter at a glance
Use these defaults for quick design, print, or layout decisions.
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Use US Letter for
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US Letter key dimensions
The same values in compact cards for scanning.
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More US sizes
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US Letter 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 | 612 x 792 px | 792 x 612 px |
| 96 DPI | 816 x 1056 px | 1056 x 816 px |
| 150 DPI | 1275 x 1650 px | 1650 x 1275 px |
| 300 DPI | 2550 x 3300 px | 3300 x 2550 px |
| 600 DPI | 5100 x 6600 px | 6600 x 5100 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 Letter size in inches?
US Letter is 8.5 x 11 in when rounded to two decimals.
What is US Letter at 300 DPI?
US Letter at 300 DPI is 2550 x 3300 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.