The terabyte is a unit of digital information and computer storage multiple of the byte. One terabyte equals a trillion (1000000000000) bytes or 1000 gigabytes. The binary value of one terabyte is 1099511627776 and it is sometimes used to denote a disk drive capacity. You can convert Terabytes to other units here by enter amount of if into green input below. You can also check some basic conversions in Terabytes Conversion Table.