> Sure, but that's 3 digits versus 1 It isn't, really. If asked about my approximate height, I'd say 'eins-achtzig' ie 1.8m (notice me omitting the unit), whic

> Sure, but that's 3 digits versus 1 It isn't, really. If asked about my approximate height, I'd say 'eins-achtzig' ie 1.8m (notice me omitting the unit), which in practice also has only a single significant digit (or 2 if you account for tall people) and to me isn't any more unwieldy than '6 foot'.