Megabyte to Kilobyte Converter
Convert Megabyte (MB) to Kilobyte (KB) instantly. 1 MB = 1,024 KB.
Data Converter
21 units available
1 MB = 1,024 KB
Formula:
KB = MB × 1,024With your value: 1 MB = 1,024 KB
How big is that?
Everyday references on a logarithmic scale, all expressed in megabyte so you can sanity-check the result.
Other Megabyte to Kilobyte conversions
Megabyte to Kilobyte Conversion Table
| Megabyte (MB) | Kilobyte (KB) |
|---|---|
| 0.5 | 512 |
| 1 | 1,024 |
| 2 | 2,048 |
| 5 | 5,120 |
| 10 | 10,240 |
| 15 | 15,360 |
| 20 | 20,480 |
| 25 | 25,600 |
| 50 | 51,200 |
| 100 | 102,400 |
| 250 | 256,000 |
| 500 | 512,000 |
| 1000 | 1,024,000 |
Kilobyte to Megabyte Conversion Table
| Kilobyte (KB) | Megabyte (MB) |
|---|---|
| 0.5 | 0.000488 |
| 1 | 0.000977 |
| 2 | 0.001953 |
| 5 | 0.004883 |
| 10 | 0.009766 |
| 15 | 0.014648 |
| 20 | 0.019531 |
| 25 | 0.024414 |
| 50 | 0.048828 |
| 100 | 0.097656 |
| 250 | 0.244141 |
| 500 | 0.488281 |
| 1000 | 0.976563 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Megabyte (MB)
Data
Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.
Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology
International Electrotechnical Commission · Reviewed 2026-07-01
Kilobyte (KB)
Data
Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.
Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology
International Electrotechnical Commission · Reviewed 2026-07-01
How to Convert Megabyte to Kilobyte
To convert from Megabyte (MB) to Kilobyte (KB), multiply the value by 1,024.
Formula: KB = MB × 1,024
Reverse: MB = KB × 0.0009765625
Step-by-Step Example
- Start with your value in Megabyte. For example: 5 MB
- Multiply by the conversion factor: 5 x 1,024
- The result is: 5,120 KB
About Megabyte
The megabyte (MB) is a unit of digital storage. One megabyte equals 1.048576 × 10^+6 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: data calculations, engineering and science, education.
About Kilobyte
The kilobyte (KB) is a unit of digital storage. One kilobyte equals 1024 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: data calculations, engineering and science, education.
Frequently Asked Questions
How many Kilobyte are in 1 Megabyte?
There are exactly 1,024 Kilobyte in 1 Megabyte. This means the conversion factor from Megabyte to Kilobyte is 1,024.
What is the formula to convert Megabyte to Kilobyte?
The formula to convert Megabyte to Kilobyte is: KB = MB × 1,024. For example, to convert 10 Megabyte to Kilobyte, you would multiply 10 by 1,024.
What is a Megabyte?
The megabyte (MB) is a unit of digital storage. One megabyte equals 1.048576 × 10^+6 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Kilobyte?
The kilobyte (KB) is a unit of digital storage. One kilobyte equals 1024 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Megabyte?
The Megabyte is commonly used in data calculations, engineering and science, education.
Related Data Conversions
Cite this page
UnitConvertLab. (2026). Megabyte to Kilobyte converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/megabyte-to-kilobyte