There are 114.5 centimetres in 1145 mm.
3 mm is 0.3 centimetres.
30 mm = 3 centimetres
3
30 millimetres = 3 centimetres = 0.03 metres.
There are 32 millimetres in 3 centimetres 2 millimetres.
cm ×10=mm 90
255 mm = 25.5 centimetres
There are: 9 cm = 90 mm
0.4
18.3
116.5cm