The international standard unit for measuring pressure is the pascal. 1 pascal = 1 newton / square meter. A unit commonly used is the bar; 1 bar = 100,000 pascal; and that's the approximate air pressure at sea level. Older units that are still sometimes used include mmHg (millimeter Mercury).
jolts or something
inches
Kilograms.
mililiters
a millimeter
Feet.
a centimeter
A shoe.
You would use CM or INCHES to measure a knife
Ounces or milliliters.
A kilometre.
Kilometers
meters
inches
Square footage.
Kilograms.
tons