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What is a kilobyte or a megabyte or a terabyte or Zettabyte?

Have you ever wondered...
How many kilobytes in a Petabyte, Exabyte or Zettabyte?

File Storage Capacity by Bits and Bytes Table

The table on the right shows the math. Be aware that while some services are billed based on storage size, in many cases storage is less expensive than bandwidth.

When referring to back-ups the file sizes you should consider the number if iterations required to meet your needs. In other words you may want weekly backups saved for 1 month plus monthly backups saved for 3 and quarterly backups saved for 1 year. so the file size of the information on media and devices is larger than a single instance.

Long term you must also have a device capable of interpretting what you have on backups.

Tech Nuts

File Storage Capacity by Bits and Bytes Table

File Storage Capacity by Bits and Bytes Table

CFile Storage Capacity by Bits and Bytes
  bit byte Kilobyte Megabyte Gigabyte
 
bit 1 8 8,192 8,388,608 8,589,934,592
byte 8 1 1,024 1,048,576 1,073,741,824
Kilobyte 8,192 1,024 1 1,024 1,048,576
Megabyte 8,388,608 1,048,576 1,024 1 1,024
Gigabyte 8,589,934,592 1,073,741,824 1,048,576 1,024 1
Terabyte 8,796,093,022,208 1,099,511,627,776 1,073,741,824 1,048,576 1,024
Petabyte 9,007,199,254,740,990 1,125,899,906,842,620 1,099,511,627,776 1,073,741,824 1,048,576
Exabyte 9,223,372,036,854,780,000 1,152,921,504,606,850,000 1,125,899,906,842,620 1,099,511,627,776 1,073,741,824
Zettabyte 9,444,732,965,739,290,000,000 1,180,591,620,717,410,000,000 1,152,921,504,606,850,000 1,125,899,906,842,620 1,099,511,627,776