Data Size Units Explained
Bit (b)
The smallest unit of data in a computer. Can be either 0 or 1.
Nibble
1 Nibble = 4 bits.
Byte (B)
1 Byte = 8 bits.
Kilobyte (KB)
1 Kilobyte = 1024 Bytes.
1 KB = 1024 × 8 bits = 8192 bits.
Megabyte (MB)
1 Megabyte = 1024 Kilobytes.
1 MB = 1024 × 1024 Bytes = 1,048,576 Bytes.
1 MB = 1,048,576 × 8 bits = 8,388,608 bits.
Gigabyte (GB)
1 Gigabyte = 1024 Megabytes.
1 GB = 1024 × 1024 KB = 1,048,576 KB.
1 GB = 1,048,576 × 1024 Bytes = 1,073,741,824 Bytes.
1 GB = 1,073,741,824 × 8 bits = 8,589,934,592 bits.
Terabyte (TB)
1 Terabyte = 1024 Gigabytes.
1 TB = 1024 × 1024 MB = 1,048,576 MB.
1 TB = 1,048,576 × 1024 KB = 1,073,741,824 KB.
1 TB = 1,073,741,824 × 1024 Bytes = 1,099,511,627,776 Bytes.
1 TB = 1,099,511,627,776 × 8 bits = 8,796,093,022,208 bits.
Petabyte (PB)
1 Petabyte = 1024 Terabytes.
1 PB = 1024 × 1024 GB = 1,048,576 GB.
1 PB = 1,048,576 × 1024 MB = 1,073,741,824 MB.
1 PB = 1,073,741,824 × 1024 KB = 1,099,511,627,776 KB.
1 PB = 1,099,511,627,776 × 1024 Bytes = 1,125,899,906,842,624 Bytes.
1 PB = 1,125,899,906,842,624 × 8 bits = 9,007,199,254,740,992 bits.
Exabyte (EB)
1 Exabyte = 1024 Petabytes.
1 EB = 1024 × 1024 TB = 1,048,576 TB.
1 EB = 1,048,576 × 1024 GB = 1,073,741,824 GB.
1 EB = 1,073,741,824 × 1024 MB = 1,099,511,627,776 MB.
1 EB = 1,099,511,627,776 × 1024 KB = 1,125,899,906,842,624 KB.
1 EB = 1,125,899,906,842,624 × 1024 Bytes = 1,152,921,504,606,846,976 Bytes.
1 EB = 1,152,921,504,606,846,976 × 8 bits = 9,223,372,036,854,775,808 bits.
Zettabyte (ZB)
1 Zettabyte = 1024 Exabytes.
1 ZB = 1024 × 1024 PB = 1,048,576 PB.
1 ZB = 1,048,576 × 1024 TB = 1,073,741,824 TB.
1 ZB = 1,073,741,824 × 1024 GB = 1,099,511,627,776 GB.
1 ZB = 1,099,511,627,776 × 1024 MB = 1,125,899,906,842,624 MB.
1 ZB = 1,125,899,906,842,624 × 1024 KB = 1,152,921,504,606,846,976 KB.
1 ZB = 1,152,921,504,606,846,976 × 1024 Bytes = 1,180,591,620,717,411,303,424 Bytes.
1 ZB = 1,180,591,620,717,411,303,424 × 8 bits = 9,444,732,965,739,290,427,392 bits.
Yottabyte (YB)
1 Yottabyte = 1024 Zettabytes.
1 YB = 1024 × 1024 EB = 1,048,576 EB.
1 YB = 1,048,576 × 1024 PB = 1,073,741,824 PB.
1 YB = 1,073,741,824 × 1024 TB = 1,099,511,627,776 TB.
1 YB = 1,099,511,627,776 × 1024 GB = 1,125,899,906,842,624 GB.
1 YB = 1,125,899,906,842,624 × 1024 MB = 1,152,921,504,606,846,976 MB.
1 YB = 1,152,921,504,606,846,976 × 1024 KB = 1,180,591,620,717,411,303,424 KB.
1 YB = 1,180,591,620,717,411,303,424 × 1024 Bytes = 1,208,925,819,614,629,174,706,176 Bytes.
1 YB = 1,208,925,819,614,629,174,706,176 × 8 bits = 9,671,406,556,917,033,397,649,408 bits.
