MB to KB Conversion Calculator is an online tool for digital computation to perform the conversion either from megabytes to kilobytes or from kilobytes to megabytes. In digital computation the file size is usually measured in kilobytes, megabytes and gigabytes. In order to perform the conversion from MB to KB, enter the input value of the file size in Megabytes form field. It will automatically generate the output value in Kilobytes. The equivalent file size in megabytes is also calculated by this same calculator by entering the input file size in the Kilobyte's form field which produces the resulting output in megabytes. This MB to KB conversion calculator is also applicable to calculate the bandwidth in both the units by giving either size as input.