Units You Will Use Frequently:
Length:
- meter (m)
- centimeter (cm): \(100\:\rm{cm} = 1\:\rm{m}\)
- millimeter (mm): \(1000\:\rm{mm} = 1\:\rm{m}\)
- nanometer (nm): \(10^{9}\:\rm{nm} = 1\:\rm{m}\)
Mass
- kilogram (kg)
- gram (g): \(1000\:\rm{g} = 1\:\rm{kg}\)
Time
- second (s)
- minute (min): \(1\:\rm{min} = 60\:\rm{s}\)
- hour (hr): \(1\:\rm{hr} = 3600\:\rm{s}\)
- year (yr): \(1\:\rm{year} = 3.156\times 10^{7}\:\rm{s}\)