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Megabytes to Kilobytes

Convert megabytes (MB) to kilobytes (KB). Type in either box; the other updates as you go.

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1 MB = 1,000 KB

1 megabyte equals1,000 KB
1 kilobyte equals0.001 MB
FormulaKB = MB × 1,000

How to convert megabytes to kilobytes

To convert megabytes to kilobytes, multiply the number of megabytes by 1,000.

KB = MB × 1,000

Example

Convert 5 megabytes to kilobytes:

5 MB × 1,000 = 5,000 KB

Megabyte to kilobyte conversion chart

Megabytes (MB)Kilobytes (KB)
1 MB1,000 KB
2 MB2,000 KB
3 MB3,000 KB
4 MB4,000 KB
5 MB5,000 KB
6 MB6,000 KB
7 MB7,000 KB
8 MB8,000 KB
9 MB9,000 KB
10 MB10,000 KB
12 MB12,000 KB
15 MB15,000 KB
20 MB20,000 KB
25 MB25,000 KB
30 MB30,000 KB
40 MB40,000 KB
50 MB50,000 KB
60 MB60,000 KB
70 MB70,000 KB
75 MB75,000 KB
80 MB80,000 KB
90 MB90,000 KB
100 MB100,000 KB
150 MB150,000 KB
200 MB200,000 KB
250 MB250,000 KB
500 MB500,000 KB
1,000 MB1,000,000 KB

Going the other way? See the kilobytes to megabytes chart.

About the units

Megabyte (MB)

A megabyte (MB) is 1,000,000 bytes. Windows shows sizes in binary units but labels them MB, so it reports 1,048,576 bytes as 1 MB.

Kilobyte (KB)

A kilobyte (KB) is 1,000 bytes in the SI system that storage makers use. Older software often meant 1,024 bytes, which is now called a kibibyte (KiB).

Frequently asked questions

How many kilobytes are in a megabyte?

There are 1,000 kilobytes in a megabyte.

How many megabytes are in a kilobyte?

There are 0.001 megabytes in a kilobyte.

How do you convert megabytes to kilobytes?

To convert megabytes to kilobytes, multiply the number of megabytes by 1,000.

What is 5 megabytes in kilobytes?

5 megabytes equals 5,000 kilobytes.

Convert between bytes, kilobytes, megabytes, gigabytes and terabytes, in decimal and binary units. Open the data storage converter to see a value in every unit at once.