1bit  = 0  或  1

1Byte = 8 Bit 

1KB    = 1,024 Bytes

1MB   = 1,024 KB = 1,048,576 Bytes

1GB   = 1,024 MB = 1,048,576 KB = 1,073,741,824 Bytes 1GB   = 1,024 MB = 1,048,576 KB =  1,073,741,824 Bytes

1TB    = 1,024 GB = 1,048,576 MB = 1,099,511,627,776 Bytes

1PB   = 1,024 TB = 1,048,576 GB =1,125,899,906,842,624 Bytes

1EB   = 1,024 PB = 1,048,576 TB = 1,152,921,504,606,846,976 Bytes

1ZB   = 1,024 EB = 1,180,591,620,717,411,303,424 Bytes

1YB   = 1,024 ZB = 1,208,925,819,614,629,174,706,176 Bytes