Unit Converter
Convert length, weight, area, volume, speed, temperature and data units instantly.
Converted value
1.00 Millimetre (mm)
0.1
Centimetre (cm)
How this tool works
Each unit has a factor relative to a base unit in its category. The value is converted to the base unit and then to the target unit. Temperature uses its own formulas rather than a simple factor.
Frequently asked questions
- Which units are supported?
- Length, weight, area (including acres and hectares), volume, speed, temperature and digital storage.
- How accurate are the conversions?
- Standard SI conversion factors are used, so results are exact to the precision shown.
- How do I convert acres to hectares?
- Choose the Area category, set 'from' to Acre and 'to' to Hectare.