Select the measurement unit you want to copy.
Do one of the following.
Click Edit>Copy Unit on the Measurement Unit window menu bar.
Click the right mouse button; select Copy on the Popup menu.
Press Ctrl+C on the keyboard.
The Copy Measurement Unit dialog box opens.
Enter the name of the new measurement unit in the Destination field.
The Measurement Unit Properties dialog box opens.
Fill in the description label for the new measurement unit.
Details for using the Measurement Unit Properties dialog box.
Result: A new measurement unit will be created with the name you specified.
Equivalent measurement units are also created for each measurement system in the right pane.
Measurement systems and units configuration.