pan balnce and grams
There are no tools that are specific to metric system: the same tool can also be used for the Imperial system. The best metric unit of weight of a CD is probably the millinewton.
metric ruler
Bascule.
I have a 96 Camry and the drain plug is metric - I believe it is 14mm. You will need a socket or wrench of the appropriate metric size.
full=ounces, empty=......ounces?
No
A ruler
measuring tape
Tool:meterstisk
A balance scale or weight scale is a tool that measures weight or mass.
kilometer/ odometer