>>11497049Actually it is very logical...
0.6 meters is 6/10ths. 3/5ths
To guesstimate it from one meter is just divide it in half and slightly more than that.
One could also be as bold as dividing it in 5, and 3 of those segments would be 0.6m.
Also typically one has mental reference points.
A countertop is 60 cm deep.
A door is 80cm wide.
A window is 120cm wide.
Light switches sit at 100cm.
The average male foot is around 28cm.
Most people can eyeball a meter.
Practical people know the length of their stride and can walk up longer distances...