B4 Paper Size in mm and Inches

ISO B4 = 250 x 353 mm (9.84 x 13.9 in), a B-series sheet used for magazines and sheet music.

Key facts

Frequently asked questions

What size is B4 in cm?

ISO B4 is 25.0 x 35.3 cm (250 x 353 mm), or 9.84 x 13.9 inches.

Is B4 bigger than A4?

Yes. ISO B4 (250 x 353 mm) is larger than A4 (210 x 297 mm); B-series sizes sit between A-series sizes.

Related pages

• A4 Paper Size
• A3 Paper Size
• A5 Paper Size
• B5 Paper Size
• US Letter Paper Size
• A2 Paper Size
• A1 Paper Size
• A0 Paper Size

B4 Paper Size is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.

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