>_ File Size Calculator

Convert file sizes between units or drop a file to see its exact size in all units. Supports binary (1024) and decimal (1000) systems.

> Value:

> Unit:

Binary (1024) Decimal (1000)

> Or drop a file to check its size

Drop file here or click to select

FAQ

Binary (1 KB = 1024 bytes) is used by operating systems. Decimal (1 KB = 1000 bytes) is used by storage manufacturers. That's why a "500 GB" drive shows ~465 GB in Windows.