Leaf & Spine

Paper size series

Architectural (Arch) sizes: Dimensions Chart

Sizes used by architects in North America. All Arch sizes share a 4:3 or 3:2 ratio, which suits building drawings.

Sizes to scale

Arch EArch E1Arch E3Arch E2Arch DArch CArch BArch A
SizeMillimetresInchesPixels @ 300 dpiTypical use
Arch A228.6 x 304.8 mm9 x 12 in2,700 x 3,600Architectural drawings and blueprints.
Arch B304.8 x 457.2 mm12 x 18 in3,600 x 5,400Architectural drawings and blueprints.
Arch C457.2 x 609.6 mm18 x 24 in5,400 x 7,200Architectural drawings and blueprints. Also a popular poster size.
Arch D609.6 x 914.4 mm24 x 36 in7,200 x 10,800Architectural drawings and blueprints. Also a popular poster size.
Arch E914.4 x 1219.2 mm36 x 48 in10,800 x 14,400Architectural drawings and blueprints.
Arch E1762 x 1066.8 mm30 x 42 in9,000 x 12,600Architectural drawings and blueprints.
Arch E2660 x 965 mm25.98 x 37.99 in7,795 x 11,398—
Arch E3686 x 991 mm27.01 x 39.02 in8,102 x 11,705—

Last posts

  1. Using Ring Staples for Calendars and Manuals Explained
  2. Do Loop Staples Work in Long-Reach Staplers
  3. Best Budget Booklet Staplers for Students and Their Projects
  4. Is a Swingline Long-Reach Stapler Reliable for Office Use
  5. Best Bostitch Staplers for Booklet Making and Binding
  6. Why Laminate Peels Off Toner and Which Films Actually Stick
  7. The Best Anti-Glare Matte Laminating Pouches for Clarity
  8. Are Rotating-Head Staplers Good for Booklets?
  9. Why Staples Fail to Close and When You Need a New Stapler
  10. Best A4 Laminating Pouches for Professional Covers