How to > Analyze > Measure
  
Measure
Creo Elements/Direct 3D Access includes many powerful measuring options. You can measure points, directions, axes, angles, mass, blends, distance, areas, among others.
With Fly by measuring
Fly by is the easiest way to find distances in your drawings and models. Simply hover your mouse over a part, edge, blend, and so on, and a length or radius measurement appears in a box in the lower right hand corner.
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To see the measurement box, right-click the status bar and select Copy Value in the Status Bar Configuration menu.
Save fly-by measurement values:
Note that you can copy this measurement and paste it into any standard application, like a spread sheet or word processor.
1. Right click the number in the measurement box.
2. Select Copy Value.
3. In a spread sheet or word processing program, select Edit > Paste to paste the value into your application.
Distance between two elements
Also simple, use Distance in the Measure group on the Analysis tab to measure distances. Simply click the icon then select two points on your model. The distance will be displayed on the viewport.
All other measurements
Use the buttons in the Measure group for other measurements. In general, you select the type of measurement you want and then click on the point or points, lines, etc. that you wish to measure.
Learn more
More advanced methods of measurement are available. For help with those, see Measure: Advanced topics.