Reference library
Paper Sizes
Browse paper size dimensions across ISO, North American, ANSI, architectural, envelope, and stationery families with millimeters, inches, pixels, and source notes.
Last checked: 2026-05-01
How we calculate this
Methodology and source handling
We calculate pixel dimensions from the visible size values, aspect ratios, DPI/PPI formulas, and source notes on this page.
Browse
Paper Sizes entries
Use this hub to compare paper dimensions, convert sizes to pixels by DPI, and jump to related print setup tools before creating PDFs, stationery, packaging, or press-ready artwork.
ISO A Series
11 entriesNorth American Office
8 entriesANSI
5 entriesArchitectural
6 entriesISO B Series
11 entriesISO C Envelope Series
11 entriesEnvelope
3 entriesRecently updated
Fresh entries in this library
Related
Related pages and tools
FAQ
Common questions
What paper sizes are covered?
PixelMeasures covers common international and North American paper families, including ISO A/B/C, Letter, Legal, Tabloid, ANSI, Arch, envelopes, and stationery formats.
How should I use these paper-size pages?
Open the closest paper reference, confirm the physical dimensions, then use the DPI rows and related tools to prepare print or layout files.
Source
Official source
Hub coverage uses common ISO 216/269, ANSI/ASME Y14.1, North American office, architectural, and envelope dimensions. Individual pages contain calculated pixel tables.
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ISO 216:2007
Used for ISO A and B series physical paper dimensions.
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ISO 269:1985
Used for ISO C envelope dimensions and DL envelope references.
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ASME Y14.1 drawing sheet size and format
Used for ANSI and architectural drawing sheet size families.
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HP paper size reference
Used as a reputable printer reference for North American office, ANSI, and envelope dimensions.
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W3C CSS Values and Units Module
Used for CSS unit definitions, absolute unit relationships, and CSS px behavior.
Last checked: 2026-05-01