# Chapter 4 | Changing Variable Units

It’s extremely simple to change your variables’ units in Virtual CRASH 3. At startup, you should see the following screen:

Press the “edit” button on the lower left hand slide in the left hand control panel:

Next, expand the “units” tab to expose the variable types whose units can be modified:

Finally, click on the parameter for which you wish to modify units, and set your preference:

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