About the Units
cubic hectometer (hm³)
A volume unit equal to 10^6 cubic meters.
cubic millimeter (mm³)
A tiny volume unit equal to 1/1,000,000,000 cubic meter, used in microscopic measurements.
Common Conversions
- 1 hm³ = 999999800000000.0 mm³
- 1.0000002e-15 hm³ = 1 mm³