You don't measure with length. You measure the length of an object with a ruler. You would use inches or metres as your units.
I would measure it with a ruler.
Any measure of length will do, but the most common would be feet or meters.
You would answer it with cubic feet
length
A metres, for an approximate measure, a centimetre for a more accurate measure.
I would use feet
You would use meters.
A bindle is a length of cord, rope or twine, used to bind something.
Inches
cm
Metres