Normally the MASS would be specified. Although this is informally called the weight, mass and weight are two quite different things.
The mass of a garbage truck might be indicated in kilograms, or in tons (thousands of kilograms).
The actual weight would be measured in Newtons.
POUNDS
Millinewton can be the best unit for measuring the weight of feather.
The best unit for measuring the length of a pencil is inches.
A very small measurement woulld be helpful. I would try the ounce.
Measuring a chair is done best with a ruler or tape measure. After you complete that part of the process, it's possible to describe the results in terms of centimeters, but it's not possible to describe them in terms of liters.
Undoubtedly a truck scale.
chuck it all into news paper and put in a garbage bag for next garbage day when the garbage truck comes
pounds
kilograms
Garbage truck toys can be bought both online and from numerous physical retail outlets. If one requires a new garbage truck toy one's best bet is to look at a toy store, but second-hand trucks can be bought much more cheaply from auction websites.
The appropriate unit for weight is a Newton.
The newton. (The kilogram is not a unit of weight or force.)
POUNDS
A Newton.
0unces =)
grams
2 tons