Differences between unit and international unit?

International units are the Standardized units used in Scientific literature across the world. They are different than the US Units.

(For Example; The US unit for length is Mile/Feet/Inches; Whereas the International Units are Kilometers/Meters/Centimeters)

Similar differences are present in weight (Pounds vs. Kilograms) and Temperature

(Degrees Fahrenheit vs. Degrees Kelvin)