What is the unit of each quantity in the kinetic energy formula? The final unit of mass and velocity is Joule E=1/2mv^2.

What is the unit of each quantity in the kinetic energy formula? The final unit of mass and velocity is Joule E=1/2mv^2.

M is in kg and V is in M / s

I'm a fifth grade student. What's the formula for the comparison quantity, unit one and corresponding score rate of engineering problems?
Let's take an example

One is to find out the quantity of unit "1"; two is to determine whether the unit "1" is known or unknown; three is to find out the formula: quantity of unit "1" (standard quantity) × fraction = fraction corresponding quantity (Comparative quantity) × fraction corresponding quantity (Comparative quantity) × fraction = fraction corresponding quantity of unit "1"