ISO 217
The ISO 217:1995 standard defines the RA and SRA paper formats.
These paper series are untrimmed raw paper. RA stands for “raw format A” and SRA stands for “supplementary raw format A”. The RA and SRA formats are slightly larger than the corresponding A series formats. This allows bleed (ink to the edge) on printed material that will be later cut down to size. These paper sheets will after printing and binding be cut to match the A format.
- The ISO A0 format has an area of 1.00 m²
- The ISO RA0 format has an area of 1.05 m²
- The ISO SRA0 format has an area of 1.15 m²
| RA | Series Formats | SRA | Series Formats |
|---|---|---|---|
| RA0 | 860 × 1220 | SRA0 | 900 × 1280 |
| RA1 | 610 × 860 | SRA1 | 640 × 900 |
| RA2 | 430 × 610 | SRA2 | 450 × 640 |
| RA3 | 305 × 430 | SRA3 | 320 × 450 |
| RA4 | 215 × 305 | SRA4 | 225 × 320 |
Read more about ISO 217: Tolerances, Other ISO Paper Standards