RA4
215 mm
305 mm
What Size Is RA4 Paper?
RA4, part of the RA / SRA Series under the Raw Paper Sizes group, measures 215 x 305 mm, which is 21.5 x 30.5 cm or approximately 8.46 x 12.01 inches. It follows the ISO 217 specification and has an area of approximately 0.0656 m².
RA4 Paper Size Dimensions & Conversions
Paper Series
RA / SRA Series
Standard
ISO 217
Width
215 mm
Height
305 mm
Area
0.0656 m²
Aspect Ratio
1:1.419
Previous Size
RA3
Next Size
A0U
RA4 Dimensions in Different Units
| Unit | Width | Height |
|---|---|---|
| Millimeters | 215 mm | 305 mm |
| Centimeters | 21.5 cm | 30.5 cm |
| Inches | 8.46 in | 12.01 in |
| Feet | 0.71 ft | 1.0 ft |
| Meters | 0.215 m | 0.305 m |
| Points | 609 pt | 865 pt |
| Picas | 50.8 pc | 72.0 pc |
What Is RA4 Paper Used For?
Pre-Trim Printing
This raw/untrimmed sheet size gives printers extra margin for bleed before trimming to the final size.
Design and Layout
Designers and print professionals use RA4 when a layout calls for this specific format.
Reproduction and Scaling
RA4 can be scaled up or down to produce related sizes in the same series.
Presentations and Displays
RA4 is suitable for boards, handouts, or displays sized to this format.
Archiving and Filing
Printed materials in RA4 are stored and filed using standard folders sized for this format.
Digital Reference
RA4 dimensions are used as a page-size preset in design and publishing software.
Related RA / SRA Series Sizes
Frequently Asked Questions
What is RA4 size in inches?
RA4 measures approximately 8.46 x 12.01 inches.
What is RA4 size in centimeters?
RA4 measures 21.5 x 30.5 cm.
What is RA4 size in millimeters?
RA4 measures 215 x 305 mm.
What is RA4 size in pixels?
At 300 DPI, RA4 is approximately 2538 x 3603 pixels.
Is RA4 bigger than A0U?
Yes. RA4 is larger in area than A0U in the Raw Paper Sizes series.