B4 Envelope

International envelope for larger documents.

International Envelopes / 250 x 353 mmBack to Family

Dimensions in inches and centimeters

Portrait

9.84 in x 13.90 in

25.00 cm x 35.30 cm

Landscape

13.90 in x 9.84 in

35.30 cm x 25.00 cm

Dimensions Table

Specs

Swipe to see all measurements

Orientation	Millimeters	Inches	Pixels (300 dpi)
Portrait	250 x 353	9.84 in x 13.90 in	2953 px x 4169 px
Landscape	353 x 250	13.90 in x 9.84 in	4169 px x 2953 px

Deep Dive

B4 Envelope measures 250 x 353 mm (25.00 x 35.30 cm).
Total surface area is 88,250 mm² (136.79 in²).
Approximate diagonal is 17.03 inches, useful when checking fit inside sleeves or packaging.
Reflects regional mailing norms and global office conventions.