{{Map zoom}} is used to generate the Open Street Map zoom level for an object.. The template accepts a number of (optional) parameters that describe the physical dimensions of an object:

The template can accept parameters that describe the size of the object on the screen: |viewport_cm= or |viewport_px=.

The template also accepts geohack parameters to generate the zoom level:

• dim
• scale
• type (e.g., "mountain" or "city")
• population (for type="city" only)