ANSI sizes

ANSI C paper size

ANSI C measures 431.8 x 558.8 mm (17 x 22 in). Technical and engineering drawings.

ANSI CA4Letter
431.8 x 558.8millimetres
17 x 22inches
5,100 x 6,600pixels @ 300 dpi

Dimensions in every unit

UnitWidth x height
Millimetres431.8 x 558.8 mm
Centimetres43.18 x 55.88 cm
Inches (decimal)17 x 22 in
Inches (fraction)17 x 22 in
Points (1/72 in)1224 x 1584 pt
Picas102 x 132 pc

Pixel dimensions by resolution

ResolutionPixelsMegapixels
72 dpi1,224 x 1,584 px1.9 MP
96 dpi1,632 x 2,112 px3.4 MP
150 dpi2,550 x 3,300 px8.4 MP
200 dpi3,400 x 4,400 px15 MP
300 dpi5,100 x 6,600 px33.7 MP
600 dpi10,200 x 13,200 px134.6 MP

300 dpi is the usual target for printed photos and artwork; 72–96 dpi is screen resolution.

Document size with bleed

BleedMillimetresInches
3 mm bleed (each side)437.8 x 564.8 mm17.236 x 22.236 in
0.125 in bleed (each side)438.2 x 565.2 mm17.25 x 22.25 in

How many ANSI C fit on a press sheet

SheetWithout bleedWith 3 mm bleed
B2 (offset)1-up1-up
B1 (offset)2-up2-up

Simple grid imposition with no gutters or gripper margin; real layouts may fit fewer.

Envelopes for ANSI C

FoldFolded sizeEnvelopes that fit
Folded in half279.4 x 431.8 mmC3 envelope

Similar sizes

Frequently asked questions

What are the dimensions of ANSI C?
ANSI C is 431.8 x 558.8 mm, which is 17 x 22 in (17 x 22 in).
How many pixels is ANSI C at 300 DPI?
5,100 x 6,600 pixels at 300 dpi, or 2,550 x 3,300 at 150 dpi.

Sources & data

  • Dimensions per the relevant standard; see sources.

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