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MB to KB Converter

Convert megabytes (MB) to kilobytes (kB) as you type — 1 MB = 1,000 kB. Switch units, change the precision or copy the result.

How to use this tool

Steps for using the Unit Converter.

  1. Enter a value in From — megabytes are already selected.
  2. The result in kilobytes appears instantly. Change either unit to convert to anything else in data storage.
  3. Use the swap button for the reverse conversion, and set the decimal places you need.
  4. Turn on Show formula to see the calculation, then copy or share the result.

Example

1 MB to kB

Megabyte
1 MB
Kilobyte
kB = 1 × 1000 = 1,000 kB

Common use cases

  • Storage and file sizes.
  • Explaining drive capacities shown by Windows.
  • Memory limits and quotas in cloud and container configs.

MB to KB conversion table

megabytes to kilobytes
Megabyte (MB)Kilobyte (kB)
1 MB1,000 kB
2 MB2,000 kB
4 MB4,000 kB
8 MB8,000 kB
16 MB16,000 kB
32 MB32,000 kB
64 MB64,000 kB
megabytes to kilobytes (continued)
Megabyte (MB)Kilobyte (kB)
128 MB128,000 kB
256 MB256,000 kB
500 MB500,000 kB
512 MB512,000 kB
1,000 MB1,000,000 kB
1,024 MB1,024,000 kB

Values rounded to 6 decimal places.

Related conversions

The units

Megabyte (MB)
1,000,000 bytes. Part of the SI system.
Kilobyte (kB)
1,000 bytes. Part of the SI system.

How to convert megabytes to kilobytes

Upload limits and small files: 1 MB is 1,000 kB in decimal units.

To convert megabytes to kilobytes, use kB = MB × 1000. One megabyte equals 1,000 kilobytes, and one kilobyte equals 0.001 megabytes.

Megabyte (MB): 1,000,000 bytes. Kilobyte (kB): 1,000 bytes.

All digital information units are on the data storage converter.

Limitations

  • Results are rounded to the decimal places you choose; the calculation itself keeps full precision.

Frequently asked questions

How many kilobytes are in a megabyte?

1 MB = 1,000 kB. Multiply megabytes by 1000 (or use kB = MB × 1000).

How do I convert megabytes to kilobytes?

Use kB = MB × 1000. For example, 1 MB = 1,000 kB and 2 MB = 2,000 kB.

Is 1 GB 1,000 MB or 1,024 MB?

In SI units 1 GB = 1,000 MB. 1,024 is the binary relationship: 1 GiB = 1,024 MiB. Both are offered here, kept separate.

Why does my 1 TB drive show 931 GB?

The drive has 10¹² bytes; Windows divides by 1024³ and labels the result “GB”, giving 931 (really GiB).