To convert from Millimetre to Centimetre, divide by 10
1 Millimetre = 0.1 Centimetre,
To convert from Centimetre to Millimetre, multiply by 10
1 Centimetre = 10 Millimetre,
| Millimetre | CENTIMETRE | |
| 684 Millimetre | = | 68.4 Centimetre |
| 684 Millimetre | = | 0.684 Metre |
| 684 Millimetre | = | 0.000684 Kilometre |
| 684 Millimetre | = | 26.9291339 Inch |
| 684 Millimetre | = | 2.2440945 Foot |
| 684 Millimetre | = | 0.7480315 Yard |
| 684 Millimetre | = | 0.000425 Mile |
| 684 Millimetre | = | 0.0003693 Nautical mile |