The length of the bar was never exactly measured in the first place. If you would measure several, you would see that they are not all the same length. That never was the purpose of making the bar. Weight is more important to the maker. They only want a certain amount in the bar no matter the length.
There is no such measurement. There is either metric measurement or not. Do you mean "fractions" of inches?
Standard flexible tape measure
which is a better estimate for length of a pencil
a tape measure
I would expect it would be centremetres.
Feet and inches.
a tape measure
Grams is a measure of weight, km or kilometer is a measure of length, the two do not compare. Do not listen to that .... I dont know is the answer
A metre would be the most appropriate unit.
kilometers or miles
If you are measuring it's length, a ruler is adequate
To measure the length of a hallway, you would typically use a measuring tool such as a tape measure or a measuring wheel. Start at one end of the hallway and extend the measuring tool to the other end, ensuring it is straight and taut for an accurate measurement. Record the measurement in the appropriate units, such as feet or meters, to determine the length of the hallway.