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    A3 Paper Size Dimensions

    A3

    297 x 420 mm

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    What size is A3 paper?

    An A3 piece of paper measures 297 × 420 mm or 11.7 × 16.5 inches. Cutting it in half will create two A4 sheets of paper. A3 is part of the A series.

    UnitsWidth × Height
    Millimeters (mm)297 × 420 mm
    Centimeters (cm)29.7 × 42 cm
    Inches (in)11.69 × 16.54 in
    Points (pt)842 × 1191 pt
    Picas (pc)70.2 × 99.2 pc
    Pixels (px @300dpi)3508 × 4961 px
    Pixels (px @72ppi)842 × 1191 px
    All A paper sizes

    Frequently Asked Questions

    What is A3 size in inches?
    A3 paper size in inches is 11.69 × 16.54 inches (width × height).
    What is A3 size in cm?
    A3 paper size in centimeters is 29.7 × 42 cm (width × height).
    What is A3 size in mm?
    A3 paper size in millimeters is 297 × 420 mm (width × height).
    What is A3 size in pixels?
    A3 paper size in pixels at 300 dpi is 3508 × 4961 px. At 72 ppi, it is 842 × 1191 px.
    What is A3 size in points at 300 dpi?
    A3 paper size in points is 842 × 1191 pt at 300 dpi.
    A3 Size in Inches, mm, cm | A Paper Sizes