C Envelope Paper Sizes Dimensions

C3

324 × 458mm

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What size is C3 paper?

An C3 piece of paper measures 324 × 458 mm or 12.76 × 18.03 inches. It is part of the C Envelope Paper Sizes.

UnitsWidth × Height
Metric millimeters (mm)324 × 458 mm
Metric centimeters (cm)32.40 × 45.80 cm
Metric meters (m)0.324 × 0.458 m
Imperial inches (in)12.76 × 18.03 in
Typographic points (1/72 inch) (pt)918.43 × 1298.27 pt
Typographic picas (1/6 inch) (pc)76.54 × 108.19 pc
Pixels at 300 DPI (px)3,827 × 5,409 px

C3 is part of the c envelope paper sizes standard.The C series envelope sizes are defined in ISO 269. C envelopes are designed to hold A series paper: a C4 envelope holds an A4 sheet, a C5 holds A5 or a folded A4, etc.

Frequently Asked Questions

What are the dimensions of C3 paper?
C3 paper measures 324 × 458 millimeters, which is 12.76 × 18.03 inches or 32.40 × 45.80 centimeters.
What category does C3 belong to?
C3 is part of the C Envelope Paper Sizes standard. The C series envelope sizes are defined in ISO 269. C envelopes are designed to hold A series paper: a C4 envelope holds an A4 sheet, a C5 holds A5 or a folded A4, etc.
What is C3 used for?
C3 (324 × 458 mm) is commonly used for printing, copying, and various document applications within the C Envelope standard.