The question, as stated, cannot be answered sensibly. A square metre is a measure of area, with dimensions [L2]. The information given is for a 3-dimensional object. The two are measures of different things and you cannot convert between measures with different dimensions such as these without additional information.
12 square mtrs
convert square mtrs to lineal mtrs
100.838 mtrs
2.3 mtrs
800cm = 8 mtrs
74.10 cents
4.65 mtrs
You can't convert that.
360 inches = 9.144 metres
800 meters = 0.497096 miles
6 metres = 0.006 kilometres.
430 cm = 4.3 mtrs