Walk into an architectural exhibition and the first thing visitors notice is scale. Presentation boards line the walls, technical plans are mounted in clean vertical sequences, and every drawing must remain legible from several steps away. In that display environment, C1 Paper Size offers a format large enough to command attention while remaining practical for handling and mounting.
Design studios frequently rely on C1 Paper Size when preparing blueprint presentations, competition boards, or curated wall layouts. It delivers generous surface area without the physical demands associated with oversized industrial sheets. The format supports clear visual hierarchy, structured layout composition, and confident line visibility under gallery lighting.
When architects finalize full-scale plans for client review, sheet selection influences how drawings are perceived. Text size, line weight, and spacing must remain readable across open rooms. Choosing a balanced large-format dimension ensures the presentation feels intentional, not overwhelming. Within professional studios and exhibition halls, that balance directly affects communication clarity.
What is a C1 Paper Size
C1 Paper Size represents the direct half-scale derivative of the C0 master format. When a C0 sheet is divided proportionally, the resulting dimensions form C1 while preserving the same √2 aspect ratio. This mathematical structure guarantees that resizing maintains identical proportions without distortion.
As part of the broader C Paper Size classification, this format was developed to accommodate large documents and envelopes while maintaining compatibility with A-series sheets. Its geometry allows designers to scale drawings up or down with confidence, knowing that proportions will not shift unexpectedly.
Measuring exactly half of C0 in surface area, C1 Paper Size serves as a bridge between very large industrial layouts and more manageable display sheets. Architectural studios often evaluate room dimensions before selecting sheet size. If wall space limits the feasibility of C0, C1 becomes the practical alternative.
Consistency across formats also simplifies workflow. Scaling an A1 drawing upward maintains margin ratios and alignment logic. That predictability supports structured exhibition preparation and professional presentation sequencing without redesigning entire layouts.
Key Characteristics of C1 Paper Size
The defining strengths of C1 Paper Size revolve around clarity, visibility, and proportional structure in display settings. Its geometry follows the ISO paper size ratio model, ensuring consistent scaling across related formats.
- Supports large visual layouts without excessive scaling
- Maintains proportional consistency during resizing
- Enables structured presentation flow on display panels
- Reduces folding requirements for oversized documents
- Improves readability from distance
These functional traits make the format particularly suitable for mounted presentations. Large visuals retain crisp alignment, and typographic hierarchy remains intact when displayed at eye level. Exhibition visitors can absorb key information without stepping too close to the board.
Scaling from A-series drawings remains straightforward. When converting an A1 or A2 layout to C1 Paper Size, proportional relationships hold steady. This helps design teams preserve composition balance across multiple boards. In exhibition environments where several sheets appear side by side, consistent proportions create visual rhythm.
Readability plays a central role in architectural communication. Line density, grid spacing, and annotation placement must remain legible across open gallery floors. Wide-format printers calibrated for accurate output ensure that lines remain sharp and dimensions precise. When correctly configured, the sheet becomes a reliable medium for high-impact visual storytelling.
C1 Paper Size Dimensions (Width and Height)
Exact dimensions influence more than printing accuracy; they affect mounting frames, backing boards, and wall spacing. Even small discrepancies can disrupt alignment across multiple panels. For that reason, exhibition planners treat measurements with strict attention.
The official measurements for C1 Paper Size are listed below:
C1 Paper Size Chart
| Unit | Width × Height |
|---|---|
| CM | 64.8 × 91.7 cm |
| MM | 648 × 917 mm |
| Inches | 25.5 × 36.1 in |
Metric values are derived from precise proportional calculations. When converted into inches, rounding adjustments appear due to fractional differences between unit systems. These minor variations must be considered when preparing custom frames or ordering prefabricated mounting materials.
C1 Paper Size in CM
In centimeters, the sheet measures 64.8 × 91.7 cm. This unit is widely referenced in international exhibition planning. Studio teams often sketch wall layouts using centimeter-based measurements to determine spacing between boards.
Mounting boards are frequently cut slightly larger than the sheet to allow for border framing or visual breathing space. With C1 Paper Size, planners can calculate visual margins accurately before installation.
C1 Paper Size in MM
Expressed in millimeters, the format measures 648 × 917 mm. Millimeters provide the level of precision required for trimming, bleed control, and edge finishing. Print operators program wide-format cutters using millimeter calibration to ensure alignment matches digital files.
Bleed areas typically extend a few millimeters beyond the intended trim line. Proper tolerance planning prevents white edges or misaligned borders once the sheet is mounted.
C1 Paper Size in Inches
In imperial measurement, the format equals 25.5 × 36.1 inches. This dimension is particularly relevant in regions where framing systems follow inch-based standards. Designers preparing work for international exhibitions must verify that print settings align with the correct unit system.
Across all units, C1 Paper Size maintains proportional geometry. That consistency supports reliable mounting and predictable visual balance across multiple display panels.
Common Uses of C1 Paper Size in Printing
C1 Paper Size frequently appears in professional display settings where visual clarity must meet manageable handling. It represents a standardized Printer paper size within commercial printing workflows.
Typical applications include:
- Architectural plan presentation
- Exhibition display boards
- Large-format posters
- Technical layout visualization
- Professional portfolio spreads
Design studios often select this format when preparing competition entries or client reviews. It provides enough space to showcase detailed elevations, sections, and rendered perspectives while remaining transportable. Commercial print shops equipped with wide-format devices handle this dimension efficiently without requiring industrial-scale machinery.
Compared to larger sheets, mounting and transportation demand less effort. Yet the visual presence remains strong within gallery environments. That balance makes it a practical choice for professional presentation.
Conclusion
C1 Paper Size stands as a large-scale format that delivers visibility without overwhelming exhibition spaces. Derived directly from C0, it preserves the √2 proportional system while offering improved manageability.
Its dimensions support structured layout composition, readable annotations, and cohesive wall presentations. Architectural studios rely on it when preparing professional boards that must communicate clearly across open rooms.
By maintaining consistent proportions and reliable scaling behavior, C1 Paper Size bridges industrial geometry with practical display needs. For exhibition planning and architectural presentation workflows, it offers an effective balance between surface area and controlled handling.
