1 kilometre = 1000 metres
1 metre = 100 centimetres or 1000 millimetres
1 centimetre = 10 millimetres
To convert metres into millimetres, multiply the metres by 1000.
Example
1.4 metres equals how many millimetres?
1.4 x 1000 = 1400 millimetres.
To convert millimetres into metres, divide the millimetres by 1000.
Example
800 millimetres equals how many metres?
800 รท 1000 = 0.8 metres.