PrintRatios

24×36 poster size

Updated 3 November 2026

Short answer: 24 × 36 inches is 61 × 91.4 cm. At 300 DPI the file needs 7,200 × 10,800 pixels, and the same file prints 4×6, 12×18 and 16×24 too.

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24 × 36 in numbers

MeasureValue
Inches24 × 36
Centimetres61 × 91.4
Ratio2:3
Pixels at 300 DPI7,200 × 10,800
Pixels at 150 DPI3,600 × 5,400

Making a file this large

Most artwork is not drawn at 7,200 × 10,800 pixels. If yours is smaller, it will be enlarged, and fine lines may look soft at full poster size. PrintRatios warns when an output is larger than your original.

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Questions people ask

How many pixels is a 24x36 poster at 300 DPI?

7,200 by 10,800 pixels.

Is 24x36 the same ratio as 4x6?

Yes, both are 2:3.

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