Auto choose distance units appropriate to distance measured

I've got a map set up in ft. because that's an appropriate unit for most measurements on the map, sometimes measurements get long enough that rather than seeing 5468.5ft I'd rather see 1.04mi. The ruler should intelligently display the most appropriate unit for the total distance measured.  This is a ridiculous example but you get the point.

A metric system might work better here than the English one. Obviously every 1,000 meters would be one click or one kilometer.

Preaching to the converted. The main group I play with is very multinational, spanning a lot of Europe but also as far away as Central America. Many of them have French language materials that use meters, but we play in the common denominator of English and thus use source books or modules that are formatted in ft/lb for the USA. In this case, the map is from an official source, has a built in scale and has been formatted for the map by roll20 in ft.  This is more about displaying an appropriate level of precision than choosing the right unit. If I'm measuring a distance of 5000ft I don't need the value to 2 decimal places. The scale drop down already has predefined units of m km ft mi in etc. Improving that to represent a system of units such as SI MKS CGS US etc is a natural step. Gargamond said: A metric system might work better here than the English one. Obviously every 1,000 meters would be one click or one kilometer.

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