# What Comes First: Length or Width?

There are no hard-and-fast rules for listing length and width in mathematics. Nevertheless, certain norms or standards are employed based on the context in which the measurements are made.

The area of an object is calculated using the length and width of the object or space. Additionally, the perimeter or distance around the object’s edge can be determined using these measurements.

The volume of an object is calculated using the first two measurements plus a third one (depth), if present. It’s crucial to clearly label the measurements so that people can understand the size and shape of an object.

Although there are certain general standards that people can adhere to when expressing measurements, there are no hard and fast regulations.

Height versus Width It may be challenging to determine which side or measurement relates to the length and which side refers to the width while seeing a two-dimensional object. The longest side of a rectangle should be considered when measuring length.

In this case, length is equivalent to the word “long.” The shorter side would be referred to as the width, which refers to the width of the rectangle.

Height versus Length The phrases “length” and “height” can refer to an object’s measurements interchangeably. The longest side of the form is referred to by both terms. The orientation of the object or shape makes a difference. When a shape is vertically oriented, its measurements are frequently given as height and width.

The dimensions are given as length and breadth if it is horizontally orientated. Once more, there are no set guidelines for terminology. The pair of phrases that best describe the thing being described should be used.

Standard Dimensions for Items Standard measurement descriptions are used in some settings or scenarios. For instance, the dimensions are given with width first and length second when discussing plans or a room’s size.

Similar to how windows are measured, the width is determined before the height. On the other hand, when stating the dimensions of a canvas painting, the height is listed before the breadth. There are hence standard measurements for some objects even though there are no precise standards for measurements in general.

Three-dimensional measurement expression For three-dimensional objects, the same naming conventions apply. The third dimension, however, introduces the concept of depth. The correct order to list a three-dimensional object’s measurements depends on the type of item. If in doubt, those who label their products should be clear so that others can understand the measures.

In the end, people should keep in mind that when labelling measurements, clarity is the most crucial consideration. The goal is to make sure that the measurements are simple for others to grasp or simple for the individual to recall when using them later. This frequently entails placing the longest measurement or length first.

People should be sure to research the typical labelling practises for a particular object, though. Others make advantage of these labelling conventions to understand the size or volume of an object in detail.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.