In addition, the length units are: light year, meter (Pm), megameter (mm), kilometer/kilometer (km), decimeter (dm), centimeter (cm), millimeter (Mm), silk rice (dmm), millet (cmm), micron (micron), nanometer (nm) and picometer (picometer).

Time units are: hours (h), minutes (min), seconds (s), milliseconds (ms), microseconds (? Seconds), nanoseconds (ns), picoseconds (ps), femtoseconds (fs).

The weight units are: tons (t), kilograms (kg), grams (g), milligrams (mg) and micrograms (μg).