Units To lays out data rate units one to a row and amounts one to a column. Opened at megabytes per second, it reads any amount of them at once in megabits per second, gigabits per second, bits per second, kilobits per second, kilobytes per second and every other data rate unit, even human speechs, dial-up modems and usb 2.0s. Type an amount the way you would say it, lay out a range of amounts, and choose how many decimal places to show.