It's called a Brannock device and used in most shoe stores.
You would use a yardstick if you had to measure several feet.
In a way but not really. Feet is what you would use to measure the length of something and cubic feet is what you use to measure the volume of something, like a cube.
I believe most mariners use meters or feet to measure a whale.
Feet
It depends on the size, but if it not that tall use feet, and if it's to hard to measure in feet use yards
I would use feet
use paper a ruler or use google for images of feet.but dont use your feet.
A tape measure
feet, of course!
feet
eathier meters or feet
You would answer it with cubic feet