File sizes

• File size measures the size of a computer file. Typically it is measured in bytes or bits.
• The actual amount of disk space consumed by the file depends on the file system. See the below image different File sizes.

• See different types of File sizes.

Traditional units
Name	Symbol	Binary	Number of bytes	Equal to
Kilobyte	KB	210	1,024	1024 B
Megabyte	MB	220	1,048,576	1024 KB
Gigabyte	GB	230	1,073,741,824	1024 MB
Terabyte	TB	240	1,099,511,627,776	1024 GB
Petabyte	PB	250	1,125,899,906,842,624	1024 TB
Exabyte	EB	260	1,152,921,504,606,846,976	1024 PB
Zettabyte	ZB	270	1,180,591,620,717,411,303,424	1024 EB
Yottabyte	YB	280	1,208,925,819,614,629,174,706,176	1024 ZB

• See below images we can understand the File sizes.

Advantages

• Easy to find the size of a file.
• Easy to compare the two files or more files.