About the Units
hectometer (hm)
A length unit equal to 100 meters.
millimeter (mm)
A tiny length unit equal to 0.001 meters, used in precision engineering.
Common Conversions
- 1 hm = 99999.99 mm
- 0.000010000001 hm = 1 mm
Convert from hectometers to millimeters
Conversion Information
To convert from hectometers to millimeters, multiply by 99999.99
1 hm = 99999.99 mm