Name the three convenient units used to measure length ranging from very short to very long value. How are they related to the S.I. unit ?

The 3 convenient units used to measure length ranging from very short to very long value are —

1. Centimetre (cm)
2. Metre (m)
3. Kilometre (km)

S.I. unit of length is meter (m). The relation between meter (m) and centimetre is —

1 m = 100cm

The relation between meter (m) and kilometer is —

1 km = 1000m