| Length | Abbreviation | Proportion of 1 metre | Some typical uses |
|---|---|---|---|
| 1 millimetre | mm | 1/000 or 0.001 | Building and manufacturing |
| 1 centimetre | cm | 1/100 or 0.01 | Dressmaking |
| 1 decimetre | dm | 1/10 or 0.1 | Log diameters |
| 1 metre | m | 1 | Standard unit of length |
| 1 decametre | dam | 10 | Meteorology |
| 1 hectometre | hm | 100 | Surveying |
| 1 kilometre | km | 1000 | Distance measurement |