Just how big is A2 paper? Do I need a C5 envelope or a C6? What are the standard poster sizes?
The answer to all these questions (and more!) are on this page.
We'll start with a helpful diagram:
ISO Sizes - Trimmed Stock
'A' Range:
The 'A' Range is the finished trimmed size of paper used in printing and related industries.
| A7 | 105mm x 74mm |
| A6 | 148mm x 105mm |
| A5 | 210mm x 148mm |
| A4 | 297mm x 210mm |
| A3 | 420mm x 297mm |
| A2 | 594mm x 420mm |
| A1 | 841mm x 594mm |
| A0 | 1189mm x 841mm |
'B' Range:
The 'B' range covers a need for special applications, such as oversize documents and posters.
| B7 | 125mm x 88mm |
| B6 | 176mm x 125mm |
| B5 | 250mm x 176mm |
| B4 | 353mm x 250mm |
| B3 | 500mm x 353mm |
| B2 | 700mm x 500mm |
| B1 | 1000mm x 700mm |
| B0 | 1414mm x 1000mm |
'C' Range - Envelope Sizes:
Connected to both envelopes and folders, the 'C' range allows 'A' sized items to be inserted.
| C8 | 81mm x 57mm |
| C7 | 114mm x 81mm |
| C6 | 162mm x 114mm |
| C5 | 229mm x 162mm |
| C4 | 324mm x 229mm |
American Quarto:
American Quarto is normally used by USA based companies and is generally stated in inches.
| 11" x 8.5" (280mm x 216mm) |
ISO Sizes - Untrimmed Stock
SRA Sheet Sizes:
Known as the supplementary range, this sheet size offers greater flexibility in allowing for bleed, machine handling and finishing
| SRA6 | 160mm x 112mm |
| SRA5 | 225mm x 160mm |
| SRA4 | 320mm x 225mm |
| SRA3 | 450mm x 320mm |
| SRA2 | 640mm x 450mm |
| SRA1 | 900mm x 640mm |
| SRA0 | 1280mm x 900mm |
RA Sheet Sizes:
The 'RA' range allows for a 5% waste when finally trimmed. This range is not widely stocked due to the limitations in application.
| RA6 | 152mm x 107mm |
| RA5 | 215mm x 152mm |
| RA4 | 305mm x 215mm |
| RA3 | 430mm x 305mm |
| RA2 | 610mm x 430mm |
| RA1 | 860mm x 610mm |
| RA0 | 1220mm x 860mm |
