PAPER ATLAS

ARCH B

Mid-size architecture sheet.

Architectural / 304.8 x 457.2 mmBack to Family
Dimensions in inches and centimeters

Portrait

12.00 in x 18.00 in

30.48 cm x 45.72 cm

Landscape

18.00 in x 12.00 in

45.72 cm x 30.48 cm

Dimensions Table

Specs

Swipe to see all measurements

OrientationMillimetersInchesPixels (300 dpi)
Portrait304.8 x 457.212.00 in x 18.00 in3600 px x 5400 px
Landscape457.2 x 304.818.00 in x 12.00 in5400 px x 3600 px

At a glance

FamilyArchitectural
Aspect ratio (W/H)0.667
Area139,355 mm²
Aliases12 x 18 in

ARCH B Facts & References

Deep Dive
  1. ARCH B measures 304.8 x 457.2 mm (30.48 x 45.72 cm).
  2. Total surface area is 139,355 mm² (216.00 in²).
  3. Approximate diagonal is 21.63 inches, useful when checking fit inside sleeves or packaging.
  4. Widely used in architecture, construction, and large-format planning sets.

Related Links