C1 Size in mm, cm and inches
C1 measures 648 × 917 mm — that is 64.8 × 91.7 cm or 25.51 × 36.1 inches. At 300 DPI it is 7654 × 10831 pixels.
C1 Dimensions Table
| Unit | Width | Height |
|---|---|---|
| Millimetres (mm) | 648 mm | 917 mm |
| Centimetres (cm) | 64.8 cm | 91.7 cm |
| Inches (in) | 25.51 in | 36.1 in |
| Points (pt) | 1837 pt | 2599 pt |
| Pixels @72 DPI | 1837 px | 2599 px |
| Pixels @150 DPI | 3827 px | 5415 px |
| Pixels @300 DPI | 7654 px | 10831 px |
About C Series Envelopes (ISO 216)
The C series is used for envelopes — a C-size envelope neatly holds the matching A-size sheet (a C4 envelope fits an A4 sheet unfolded).
C series sizes are used for envelopes — a C-size envelope is designed to hold the matching A-size sheet.
Frequently asked questions
- What is C1 in cm?
- C1 is 64.8 × 91.7 cm.
- What is C1 in inches?
- C1 is 25.51 × 36.1 inches.
- What is C1 in pixels at 300 DPI?
- C1 at 300 DPI is 7654 × 10831 pixels.
Related C Series Envelopes (ISO 216) Sizes
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