Megametre
Key Stage 4
Meaning
Megametres (Mm) are a unit of distance, displacement and wavelength 1,000,000 times larger than the SI Unit; the Metre.
About Megametres
- Megametres are shortened to Mm with an upper case M and a lower case m.
- Mega means one million so there are 1,000,000 Metres in a megametre.
Converting to Megametres
| Unit | To convert | Megametres |
| 1 megametre (1Mm) | Convert to Megametres x1 | 1Mm |
| 1 kilometre (1km) | Convert to Megametres x10-3 | 1x10-3Mm |
| 1 Metre (1m) | Convert to Megametres x10-6 | 1x10-6Mm |
| 1 decimetre 1(dm) | Convert to Megametres x10-7 | 1x10-7Mm |
| 1 centimetre 1(mm) | Convert to Megametres x10-8 | 1x10-8Mm |
| 1 millimetre 1(mm) | Convert to Megametres x10-9 | 1x10-9Mm |
| 1 micrometre 1(µm) | Convert to Megametres x10-12 | 1x10-12Mm |
| 1 nanometre 1(nm) | Convert to Megametres x10-15 | 1x10-15Mm |