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A-series reference

A0 paper size (841 × 1189 mm → 33.11 × 46.81 in)

A0 is the base of the ISO A-series, used for large posters, CAD plots, and architectural drawings. Below are exact inch conversions, aspect ratio notes, and print-ready guidance for bleed, mounting, and transport.

841 × 1189 mm33.11 × 46.81 inLarge format

Dimensions

  • Millimeters: 841 mm × 1189 mm
  • Inches: 33.11 in × 46.81 in
  • Area: about 0.9999 m² (1551.2 in²)
  • Ratio: 1:sqrt(2), doubles or halves cleanly across A sizes

Print setup tips

For plotters or large-format printers, add 3–5 mm bleed and export at 300 dpi or vector/PDF to keep linework crisp. Center-align the artwork to reduce edge risk during trimming or mounting.

Common uses

Exhibition posters

Large visuals for events, trade shows, and storefront backdrops that need maximum area.

CAD and architectural plots

Full-size plan sets for review; keep line weights consistent and export as PDF to avoid scaling errors.

Mounted boards

Foam board or rigid mounts for presentations; leave margin for tape, clips, or frames.

Frequently Asked Questions

A0 paper size in inches — 841 × 1189 mm (33.11 × 46.81 in)