There are 10 millimetres in one centimetre. Therefore, 3.1 centimetres is equal to 3.1 x 10 = 31 millimetres.
Milli meter (mm)
Centi meter (cm)
Deci meter (dm)
Meter (m)
Deca meter (dam) <- this one is rarely used
hecto meter (hm) <- this one also not a lot
Kilo meter (km)
1.000.000 mm
=
100.000 cm
=
10.000 dm
=
1.000 m
=
100 dam
=
10 hm
=
1 km
1 centimetre = 10 millimetres so 31 centimetres = 31*10 = 310 millimetres. Simple!
23.6 millimetres
There are 10 millimetres in one centimetre. Therefore, 3 and four ninths centimetres is equal to 31/9 x 10 = 34.4 recurring (that is, 34.444...) millimetres.
5.8 centimetres = 58 millimetres
12.5 centimetres are in 125 millimetres.
100 centimetres is 1,000 millimetres.
800 millimetres = 80 centimetres
60 millimetres = 6 centimetres
60 millimetres in 6 centimetres
There are 10 millimetres in one centimetre. Therefore, 20.4 centimeters is equal to 20.4 x 10 = 204 millimetres.
There are 10 millimetres in one centimetre. Therefore, 16.2 centimeters is equal to 16.2 x 10 = 162 millimetres.
200 millimeters is 20 centimeters.