graphic scale
It's called the scale.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.
A map scale lets you convert map distance to ground distance.