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.
A digital pet scale designed for weighing animals is the most appropriate tool to measure the weight of a dog accurately. These scales are specifically calibrated for the weight range and movement of pets, making them more reliable than standard household scales.
full=ounces, empty=......ounces?
No
A ruler
Tool:meterstisk
measuring tape
kilometer/ odometer