I'm doing a math project on the metric system where I need 100 examples of the following:

- millimeters

**<<< small insects, coins, small screws or nuts, small fruits, ...**
- centimeters

**<<< furniture, boxes and parcels, parts of a corpse (finger, nose, hair,...) length of animals, length of vehicles, ...**
- meters

**<<< buildings, trees, length of trains of ships of planes, height of mountains, ...**
- kilometers

- milliliters

- liters

- kiloliters

**<<< in Germany this is called a cubic meter, but there exists hektoliter (hl) which is used to measure large quatities of wine, beer or milk.**
- milligrams

- grams

- kilograms

It's 100 items in total, and I would just like a couple of ideas to start off with. I know that you can measure anything in centimeters and such in theory, but it has to be appropriate for that item. (Like you can't say to measure a football field in millimeters.)

**<<<<<< why not? Of course it's unusual but you can do it!**
I'll be grateful for any examples that you can provide.