[OSM-talk] Mapping canals

Richard Bullock rb357 at cantab.net
Tue Jan 22 20:16:02 GMT 2008


>And what is the exact SI equivalent of 30mph?
>I can give you an approximation: 48.28032km/h.
>What happens though if everyone sticks in 48 instead.. close enough isn't
>it?

Nitpicking, but 48.28032 km/h *is* exact.

Although in the usual SI unit, 30 mph would be 13.4112 m/s (exactly).

Richard B





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