Leaf & Spine

Free calculator

Paper Size Converter (mm, Inches, Points, Pixels)

Convert paper and page sizes between millimetres, centimetres, inches, points and pixels at any DPI. Includes presets for A4, Letter and other standard sizes.

—Millimetres
—Centimetres
—Inches
—Points
—Pixels
—Aspect ratio

How it works

1 inch = 25.4 mm = 72 points. Pixels depend on resolution: at 300 dpi, an inch is 300 pixels. Browse the full paper size chart for every standard format.

Frequently asked questions

How many pixels is A4 at 300 dpi?
2480 x 3508 pixels.
How many points is US Letter?
612 x 792 points.

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