Always include inches (in or "), millimeters (mm), centimeters (cm), or feet (ft). For example, a standard shipping box is written as 12" x 8" x 4", where 12 inches is the length, 8 inches is the width, and 4 inches is the height.
Proper Dimension Annotation Methods and Techniques
This sequence starts with the longest horizontal side and progresses to the vertical axis. A number without a unit is meaningless in a technical context.
Conversely, scientific, architectural, and many international technical drawings prefer decimal notation (e. Fractional Notation Depending on the industry, dimensions appear in either decimal or fractional form.
Proper Dimension Annotation Methods and Techniques
In the United States, carpentry and machining often utilize fractional notation (e. 2 mm larger but cannot be smaller than 10 mm.
More About How dimensions are written
Looking at How dimensions are written from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on How dimensions are written can make the topic easier to follow by connecting earlier points with a few simple takeaways.
