A kilogram is a unit of mass. a centimetre is a unit of length. The two units are therefore incompatible.
25 Inches = 63.5 Centimeters
~25
25 cm x 0.3937008 = 9.8"
There are 10 millimetres in a centimetre, so 25 millimetres is equal to 2.5 centimetres.
25 % means 25/100 or 1/4 (just reduce the fraction) "of" usually means multiplication in math So 25% of 24 kg = 1/4 * 24 kg = 6 kg. You could have also converted to a decimal: 25% = 25/100 = 0.25. So 25% of 24 kg = 0.25 * 24kg = 6 kg. Less elegant. More work.
330 centimeters.
7.5 centimeters
0.189 kg
First of all, there's no occasion when you would ever need to do that. "Kg" is a unit of mass, "cm squared" is a unit of area, and "cm" is a unit of length. None of the three can be converted to or from either of the other ones. The whole idea is a total non-starter.
44 millimeters is 4.4 centimeters.
600 000 centimeters
11.43 centimeters is 1.143 decimeters.