In today’s entry, we’re going to talk about** length, width, and height **as tools to find the dimensions of an object.

Length is a linear magnitude, which means we can only use it to measure the distance separating two points.

###### In this case, we’ve measured the length between the tip of the cockpit and the back of the last coach.

However, the objects we use every day are not straight lines, so we can’t measure them in the same way. We need to make several different measurements to work out their dimensions.

For example, if we want to work out the dimensions of the sheet of paper inside this envelope, we need to measure two longitudes: the height and the width.

###### We’ve taken two measurements from this envelope: length 16 cm and width 8 cm

Two measurements are still not enough for the majority of the objects around us, because they are three-dimensional bodies. That means that we need three measurements, height, length, and width.

###### We’ve taken three measurements from this box: height 15 cm, length 20 cm, and width 10 cm

**Length, width, and height*** *are adjectives that allow us to indicate the volume of geometric bodies. The length (20 cm) and the width (10 cm) correspond to the horizontal dimension. On the other hand, the height (15 cm) refers to the vertical dimension.

We usually express these dimensions by writing them out separated by a multiplication sign. Therefore, when we go to buy a piece of furniture and we want to know its measurements, we can see the following on the box:

**170 in (height) x 60 in (width) x 45 in (length)**

I hope this entry has helped you learn how to measure the dimensions of objects in the world around you.

Don’t forget that you can register free with Smartick to do exercises involving units of measurement, amongst **many** other things!

### Learn More:

- Learn More about Measurements of Length
- Learn to Solve Measuring Problems
- The Concept of Length and How It’s Different from Distance
- Practice Length Measurement Problems
- Review of All Units of Measurements

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## Hezekiah Allen-Lee-GaryApr 05 2018, 10:48 AM

This website really helped me understand length, width, and height now i know thank you very much smartickmethod.com and its developers

## James BellMay 15 2018, 5:25 PM

This really helped me

## RAMACHANDRANDec 28 2018, 4:05 AM

very useful to kids and help to refresh the basics for adults like me

## PrashantMay 15 2019, 1:26 AM

Very useful to kids and adults also

## Oscar Javier MurilloJun 16 2019, 2:33 PM

I like this site