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Drawing Size Reference Table, Architectural and Engineering Drawing Sizes

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In case you're wondering what is the size of an Architectural or Engineering drawing, these architectural and engineering drawing size reference charts are provided for your convenience and reference.

Architectural Drawing Sizes
Standard US Architectural Drawing Sizes
Drawing Size Dimensions
(millimeters)
Dimensions
(inches)
ARCH A 228.6 x 304.8 9 x 12
ARCH B 304.8 x 457.2 12 x 18
ARCH C 457.2 x 609.6 18 x 24
ARCH D 609.6 x 914.4 24 x 36
ARCH E 914.4 x 1219.2 36 x 48
Engineering Drawing Sizes
Standard US Engineering Drawing Sizes
Drawing Size Dimensions
(millimeters)
Dimensions
(inches)
ANSI A 215.9 x 279.4 8.5 x 11
ANSI B 279.4 x 431.8 11 x 17
ANSI C 431.8 x 558.8 17 x 22
ANSI D 558.8 x 863.6 22 x 34
ANSI E 863.6 x 1117.6 34 x 44



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Drawing Size Reference FAQ

What is the standard blueprint paper size?

Blueprints and house plans will come in several standard sizes. Two of the most common architectural drawing sizes are 18” x 24” and 24” x 36”, but you can also find them in 30” x 42” and 36” x “48” sizes. Large sizes are necessary on bigger and more expensive properties. But regardless of the blueprint paper size being used, its purpose is to show a trained person how to build that particular home. Feel free to look at all of the drawing paper sizes we have at Engineering Supply. We’re sure you’ll be able to find something that will meet your specific needs.

What are the standard drawing sizes?

Here are the standard US architectural drawing sizes:
  • ARCH A - 9 x 12 inches (228.6 x 304.8 millimeters)
  • ARCH B - 12 x 18 inches (304.8 x 457.2 millimeters)
  • ARCH C - 18 x 24 inches (457.2 x 609.6 millimeters)
  • ARCH D - 24 x 36 inches (609.6 x 914.4 millimeters)
  • ARCH E - 36 x 48 inches (914.4 x 1219.2 millimeters)
And here are the standard US engineering drawing sizes: Feel free to look at what we have at Engineering Supply, so you can find the right type of blueprint paper size for your specific needs.

What is the standard size for construction plans?

The drawing sizes for construction plans will come in several different formats — with 18” x 24” and 24” x 36” being the most common. But you can also find larger plans at 30” x 42” and 36” x 48”. Larger sizes are necessary for bigger properties. But regardless of the blueprint paper size, the plan will have the following information:
  • Exterior elevations
  • Floor plans
  • Building sections and details
  • Roof plan
  • General notes
They’ll also have a map of the electrical layout, as well as any suggested locations for fixtures and other elements. But you should be aware that this document is used only as a reference.

drawing paper

What is a full-size drawing?

Architectural drawing sizes come in several different formats, which consist of the following:
  • ARCH A - 9 x 12 inches (228.6 x 304.8 millimeters)
  • ARCH B - 12 x 18 inches (304.8 x 457.2 millimeters)
  • ARCH C - 18 x 24 inches (457.2 x 609.6 millimeters)
  • ARCH D - 24 x 36 inches (609.6 x 914.4 millimeters)
  • ARCH E - 36 x 48 inches (914.4 x 1219.2 millimeters)
Engineering drawing sizes use a different format, which consists of the following:
  • ANSI A - 8.5 X 11 inches (215.9 x 279.4 millimeters)
  • ANSI B - 11 x 17 inches (279.4 x 431.8 millimeters)
  • ANSI C - 17 x 22 inches (431.8 x 558.8 millimeters)
  • ANSI D - 22 x 34 inches (558.8 x 863.6 millimeters)
  • ANSI E - 34 x 44 inches (863.6 x 1117.6 millimeters)
Feel free to look at what we have at Engineering Supply. We’re sure you’ll be able to find the right type of blueprint paper size for your specific needs.

What are the dimensions for D-size paper?

The standard sizes for architectural plans and engineering plans are different, so it will depend on what type of drawing you’re looking at. Architectural drawing sizes are based on the ARCH scale, while engineering drawing paper sizes are based on the ANSI scale. D-size paper for architectural plans is 24” x “36” inches (or 609.6 x 914.4 millimeters), while D-size paper for engineering plans is 22” x 34” (or 558.8 x 863.6 millimeters). There are, of course, other drawing paper sizes. So if you’re looking for D-size paper or any other blueprint paper size, feel free to look at what we have at Engineering Supply.

Blueprint History


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