Computer File Size Conversion Table
The Computer File Size Conversion Table
below shows the relationship between the file storage sizes that
computers use. Binary calculations are based on units of 1,024, and decimal
calculations are based on units of 1,000. It should be noted that decimal
calculations are based on units that have been rounded off to the nearest 1,000
and therefore differ from the actual number of bytes used in binary
calculations.
|
Name
|
Symbol
|
Binary
Measurement |
Decimal
Measurement |
Number
of Bytes
|
Equal
to
|
|
kilobyte
|
KB
|
2^10
|
10^3
|
1,024
|
1,024
bytes
|
|
megabyte
|
MB
|
2^20
|
10^6
|
1,048,576
|
1,024KB
|
|
gigabyte
|
GB
|
2^30
|
10^9
|
1,073,741,824
|
1,024MB
|
|
terabyte
|
TB
|
2^40
|
10^12
|
1,099,511,627,776
|
1,024GB
|
|
petabyte
|
PB
|
2^50
|
10^15
|
1,125,899,906,842,624
|
1,024TB
|
|
exabyte
|
EB
|
2^60
|
10^18
|
1,152,921,504,606,846,976
|
1,024PB
|
|
zettabyte
|
ZB
|
2^70
|
10^21
|
1,180,591,620,717,411,303,424
|
1,024EB
|
|
yottabyte
|
YB
|
2^80
|
10^24
|
1,208,925,819,614,629,174,706,176
|
1,024ZB
|
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