Short and long units (currently only short units) Multipliers e.g. kilo (k), mega (M), kibi (KiB), ergs etc. Arbitrary units e.g. bits (b), cars etc.

All of the conversions come from conversions.txt. $ python -m units convert value: 3 cm to unit: m 0.03 m $ python -m units convert value: 3 cm to unit: s no conversion found between 'cm' and 's' $ ...