bit (b) 0 or 1 1/8 of a byte
byte (B) 8 bits 1 byte
kilobyte (KB) 10001 bytes 1,000 bytes
megabyte (MB) 10002 bytes 1,000,000 bytes
gigabyte (GB) 10003 bytes 1,000,000,000 bytes
terabyte (TB) 10004 bytes 1,000,000,000,000 bytes
petabyte (PB) 10005 bytes 1,000,000,000,000,000 bytes
exabyte (EB) 10006 bytes 1,000,000,000,000,000,000 bytes
zettabyte (ZB) 10007 bytes 1,000,000,000,000,000,000,000 bytes
yottabyte (YB) 10008 bytes 1,000,000,000,000,000,000,000,000 bytes
D&D electronic pedia 