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.
48x68 centimeters is equivalent to approximately 18.9x26.8 inches when converted.
5.9 centimeters is equivalent to 0.059 meters when converted.
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.