To change the measurement system in rulers
1.On the Edit menu, click Preferences.
2.On the Main tab, under Measurement, select the measurement system you want to use for horizontal and vertical dimensions in rulers.
To change the origin of the zero point, see Changing the zero point.
To change the measurement system in palettes, see Measurement system in palettes.
Note
•Measurement units are per-user setting, so every user can have different setup.