A truck scale.
ounce
Pounds
Weigh? mass in kilograms or pounds.
grams
Somone answer this for god sakes
So far, there is no unit of measurement available to weigh your height. So, I would not use kilometers, at all. Sorry.
Somone answer this for god sakes
mL.
Ounces in the US, grams elsewhere.
pounds
Pounds or kilograms
The best unit of measurement to determine the mass of a book is grams.