inches
a centimeter
Probably the most suitable unit of measurement.
In the US, I would use yards.
A millinewton. NOT a gram, which a measure of mass, not of weight.
Kilometers
square footage
You would use the metric unit of millimeters (mm) to measure the size of a common house fly.
We use grams (g) as the unit of measurement to measure mass on a triple beam balance.
a centimeter
Feet.
A shoe.
You would use CM or INCHES to measure a knife
inches
Metric tons
water in millagrams
jolts or something
Decibell