C1 Paper Size Dimensions
C1
648 x 917 mm
What is C1 paper sizes?
A C1 piece of paper measures 648 × 917 mm or 25.51 × 36.1 inches. C1 is part of the C Envelope Paper Sizes. The C series (ISO 269) is designed for envelopes. A C4 envelope fits an unfolded A4 sheet; C5 fits A5, and so on.
C1 — Units
| Units | Width × Height |
|---|---|
| Millimeters (mm) | 648 × 917 mm |
| Centimeters (cm) | 64.8 × 91.7 cm |
| Meters (m) | 0.648 × 0.917 m |
| Inches (in) | 25.51 × 36.1 in |
| Points (pt) | 1,837 × 2,599 pt |
| Picas (pc) | 153.1 × 216.6 pc |
| Pixels (px @300dpi) | 7654 × 10831 px |
| Pixels (px @72ppi) | 1837 × 2599 px |
All C Envelope Paper Sizes →
Frequently Asked Questions
What is C1 size in inches?
C1 size in inches: 25.51 × 36.1 inches.
What is C1 size in cm?
C1 size in cm: 64.8 × 91.7 cm.
What is C1 size in mm?
C1 size in mm: 648 × 917 mm.
What is C1 size in pixels?
C1 size in pixels: 7654 × 10831 px at 300 dpi, 1837 × 2599 px at 72 ppi.
What is C1 size in points?
C1 size in points: 1,837 × 2,599 pt.