Mesurment
Force meters weigh things in neutons
10mm=1cm,100cm=1m,1000m=1km,1000mm=1,mesurments if your trying to measure water:10ml=1cl,100cl,000=1klweight:10mg=1cg,100cg=1g,1000g=1kg.
You would measure a chair in inches
You would weigh a glue stick in grams
You would weigh a pencil pot in cg
You might measure a book in cm
There are mm,cm,inches,meters,kilometres,ml,cl,l,kilolitres,grams,kilograms and cg
You might measure a person in meters