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How to creating dimension using dimension tools

Dimensions in AutoCAD


In this video, we will see How to use Dimension tools in AutoCAD.

Inside our Annotation panel, in the Dimension option, we have different types of dimensions. We will look at every type one by one.

  • The first type of dimension is a Linear dimension in which we can use horizontal or vertical dimensions inside the object. For this, we need to select our first point and then the second point, and then the third click on that place where we want to place that horizontal/vertical dimension.
  • The second type of dimension is the Aligned dimension. In this, the dimension line is parallel to the extension line origins. So when we want to give dimension to any horizontal and vertical line, we can use Linear dimension, and when we want to give dimension to any inclined line, we can use the Aligned dimension option.
  • The third type of dimension is the Angular dimension. This dimension annotates the angle measured between two lines, two linear segments of a polyline, or a circular arc angle. We can also use the dimension of an angle by selecting an angle vertex and two endpoints.
  • The fourth type of dimension is Arc Length. Suppose we have one arc, and we want to measure the length of that arc.
  • The fifth type of dimension is Radius. It is used to find the circle radius and place the measured dimension radius according to our requirement.
  • The sixth type of dimension is Diameter. It is used to find the circle's Diameter and place the measured dimension diameter according to the circle's requirement wherever on the screen.
  • The seventh type of dimension is Jogged. It usually measures the Radius of our selected object and gives the dimension text with the Radius. The jogged line is made of two parallel lines and cross-line adjoining them.
  • The eighth type of dimension is Ordinate. It measures the vertical or horizontal distance from an origin point.

These are all the basic dimensions in AutoCAD 2016.


The most common way to make dimensions bigger is to use the scale tool. This will increase the size of your object and all of its features. The scale tool can be found in the right-hand side menu on the screen, or by pressing ctrl+shift+s. If you want to make a dimension bigger without using a scaling tool, you should first select it and then press ctrl+shift+= or ctrl+shift+.

The units of a dimension in Autocad can be changed by clicking on the dimension and then selecting the desired unit from the drop down menu.

The steps to add dimensions in AutoCAD are as follows:

  • Select the line or arc that you want to dimension.
  • Click the dimension button on the toolbar and select a dimension style from the list.
  • Enter a value for one of the dimensions and click OK to create a dimension style with that value.
  • Repeat steps 2-3 for each additional dimension required for your drawing, then click outside the drawing area to set your dimensions as final.

  • In AutoCAD, a dimension style is a set of parameters that control the appearance of dimensions. This includes things like the dimension line color, dimension text height and width, and so on.
  • To create a new dimension style in AutoCAD, you need to click on the Tools tab at the top left corner of your screen followed by Dimension Style Manager from the drop-down menu. In this window, you can create a new style or edit an existing one by clicking on it. You can then change its properties using the tabs below.

Dimensioning is the process of adding dimensions to a drawing to show the size and spacing of features. The options for adding dimensions in Autocad are as follows:

  • Linear dimensioning: this option is used when you want to show distances or sizes that are measured in linear units such as inches, millimeters, centimeters etc.
  • Angular dimensioning: this option is used when you want to show angles and other measurements that are measured in angular units such as degrees, minutes and seconds.
  • Diameter dimensioning: this option is used when you want to show the diameter of an object.
  • Radius dimensioning: this option is used when you want to show the radius of an object.

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