What are the base units for mass, length, and time?

1 Answer
Oct 12, 2016

#"Kilograms, metres, and seconds."#

Explanation:

All of these are base units for mass, length, and time respectively. The units for volume depend only on length, and are thus a derived unit.

i.e #"Volume = length"xx"length"xx"length"# #=# #m^3#.

#"Density"# is another derived unit:

#"Density"# #=# #"Mass"/"Volume"#, typically (for chemists) units of #g*mL^-1# or #g*cm^-3# are used. These may be related to the base units by the prefix multipliers:

#"milli"=10^-3; "centi"=10^-2; "kilo"=10^3;"micro"=10^-6# etc.