Convert kilobytes to megabytes
Converting kilobytes to megabytes is a common data task, whether you are checking a recipe, a spec sheet, a travel distance or a homework problem. Since 1 KB equals 0.001 MB, the math is a single multiplication — and this page does it for you instantly, with the formula, a table of common values and answers to the questions people ask most.
Exact factor
How to convert kilobytes to megabytes
To convert kilobytes to megabytes, multiply the number of kilobytes by 0.001. For example, 10 KB × 0.001 = 0.01 MB.
MB = KB × 0.001
- Write down the value in kilobytes you want to convert.
- Multiply it by 0.001 (the exact KB→MB factor).
- The result is your value in megabytes. Check it below with the converter or the table.
Conversion table
Common values of kilobytes and their equivalents in megabytes:
| KB | MB |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
About these units
Kilobyte (KB). A kilobyte is 1,000 bytes in the decimal SI convention used by storage manufacturers. Plain text emails and small configuration files are measured in kilobytes.
Megabyte (MB). A megabyte is 1,000 kilobytes, or one million bytes. Photos, songs and PDF documents typically range from one to ten megabytes.
Frequently asked questions
How do I convert kilobytes to megabytes?
To convert kilobytes to megabytes, multiply the number of kilobytes by 0.001. For example, 10 KB × 0.001 = 0.01 MB. Or skip the math: type the value into the converter at the top of this page and the result updates instantly.
How many megabytes are in 1 kilobyte?
1 KB = 0.001 MB. That is the fixed relationship used by this converter and by international standards.
How many kilobytes are in 1 megabyte?
1 MB = 1,000 KB. If you are converting in the opposite direction, use our Megabyte to Kilobyte converter for the dedicated table and FAQ.
Is the kilobytes to megabytes conversion exact?
Yes — this site uses decimal SI prefixes, so 1 KB = 1,000 bytes exactly. Note that some operating systems report file sizes in binary units (1 KiB = 1,024 bytes), which can make numbers differ slightly from storage labels.
What is kilobyte used for?
A kilobyte is 1,000 bytes in the decimal SI convention used by storage manufacturers. Plain text emails and small configuration files are measured in kilobytes.