What are some common units of length in the International System of Units (SI)?
Q: What are some common units of length in the International System of Units (SI)?
A: Common units of length in the SI include metre, centimetre, and kilometre.
Q: What are some common Imperial units and U.S. customary units of length?
A: Common Imperial units and U.S. customary units of length include inch, mil, foot, yard, mile, chain, rod, furlong.
Q: What are some old units of distance?
A: Old units of distance include cana cubit league li (China), pace (the "double pace" of about 5 feet used in Ancient Rome), verst (Russia).
Q: Are there any other types of unit used for measuring distances?
A: Yes, mariners use fathom for depth measurements and astronomical measure uses astronomical unit (AU), light year (ly), parsec (pc) including kiloparsec (kpc) and megaparsec (Mpc). Physics also uses Planck length Bohr radius.
Q: How is a Norwegian/Swedish mil measured?
A: A Norwegian/Swedish mil is measured as 10,000 metres.
Q: In everyday conversation what type of objects are often used to measure lengths?
A: In everyday conversation it is common to see lengths measured in terms or objects that everyone knows the approximate width such as pencils or rulers.
