There are two common definitions for how many kilobytes (KB) are in a megabyte (MB):
- Decimal (SI) system: 1 MB = 1000 KB
- Binary system (used in computing): 1 MB = 1024 KB
The decimal system is based on powers of 10 and is commonly used by storage device manufacturers and in the International System of Units. The binary system is based on powers of 2 and is often used by operating systems and software when reporting file sizes
. In summary:
System| Kilobytes in 1 Megabyte
---|---
Decimal (SI)| 1000 KB
Binary| 1024 KB
