Q: How many Megabytes in 5120 KiloBytes? The answer is 5. More information from the unit converter. This conversion of 5,120 kilobytes to megabytes has been calculated by multiplying 5,120 kilobytes by 0. This conversion of 5,120 bytes to kilobytes has been calculated by multiplying 5,120 bytes by 0. 5120 kb to mb conversion result above is displayed in three different forms: as a decimal (which could be rounded), in scientific notation (scientific form, standard. To convert 5120 kB to Byte use direct conversion formula below.