Standard Engineering Drawing Scales

Below are two standard scale tables for engineering and architectural drawings.

Standard engineering drawing scales.

Multiply the feet of the desired scale by 12. Because the scale of such drawings are often smaller than life size an architect s scale features multiple units of length and proportional length increments. Miscellaneous engineering related topics like beaufort wind scale ce marking drawing standards and more. Ansi american national standards institute ansi provides a forum for development of american national standards.

For example 1 100 is a typical scale used for civil engineering drawings. Use a engineering scale. The smallest division on the scale is 1 4 here the plate thickness is not dimensioned but the scale reads 2 divisions or 1 2 check several other dimensions on the drawing to be sure the drawing is to scale. An architect s scale is a specialized ruler designed to facilitate the drafting and measuring of architectural drawings such as floor plans and orthographic projections.

The wall bracket drawing shows the drafting standard used within the title block. Multiply the measurement on the drawing with the denominator. This revision which supersedes the goddard space flight center gsfc standard x 673 64 1e engineering drawing standards manual is intended to update and reflect the latest formats and standards adopted by gsfc. Technical drawing has existed since ancient times.

Scale size 10 scale represents full size in. It defines every aspect of the drawing. As1100 is the drawing standard that is used within australia. Drawing tools 2d and 3d drawing tools.

Where the denominator is the number after the colon. To obtain the scale factor of an engineering drawing scale. Example blueprint drawing scale 1 50. As1100 provides a standard that if followed by all companies allows for a clarity understanding and uniformity across all drawings generated nation wide.

1 4 or 1 8 imperial units us scales. Complex technical drawings were made in renaissance times such as the drawings of leonardo da vinci modern engineering drawing with its precise conventions of orthographic projection and scale arose in france at a time when the industrial revolution was in its infancy. First check the drawing scale is accurate as above. Blueprint drawings are typically drawn in.

For accuracy and longevity the material used should be. For example 1 50 scale would be 50 12 scale factor 600. The number 1 means 1 graduation of 1 inch represents 1 foot. 1 20 1 50 or 1 100 si units or.

Area survey app online calculator app to make an exact plot of a surveyed area like a. To scale a si drawing.