Formula.kilobytes = megabytes × 1024.
Relationship.1 MB = 1,024 KB.
Worked example. 5 MB = 5,120 KB.
MB to KB Converter.
1 MB = 1,024 KB, so 5 MB = 5,120 KB. Type any value below to convert MB to KB instantly.
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Copied ✓ Reference Table
| b | B | KB | MB | GB | TB | PB |
|---|---|---|---|---|---|---|
| 41943.04 | 5242.88 | 5.12 | 0.005 | 0.0000048828 | 4.768372e-9 | 4.656613e-12 |
| 419430.4 | 52428.8 | 51.2 | 0.05 | 0.0000488281 | 4.768372e-8 | 4.656613e-11 |
| 4194304 | 524288 | 512 | 0.5 | 0.0004882813 | 4.768372e-7 | 4.656613e-10 |
| 41943040 | 5242880 | 5120 | 5 | 0.0048828125 | 0.0000047684 | 4.656613e-9 |
| 419430400 | 52428800 | 51200 | 50 | 0.048828125 | 0.0000476837 | 4.656613e-8 |
| 4194304000 | 524288000 | 512000 | 500 | 0.48828125 | 0.0004768372 | 4.656613e-7 |
| 41943040000 | 5242880000 | 5120000 | 5000 | 4.882813 | 0.0047683716 | 0.0000046566 |
How to convert MB to KB
MB to KB conversion table
| MB | KB |
|---|---|
| 0.5 | 512 |
| 1 | 1024 |
| 2 | 2048 |
| 3 | 3072 |
| 4 | 4096 |
| 5 | 5120 |
| 6 | 6144 |
| 7 | 7168 |
| 8 | 8192 |
| 10 | 10240 |
| 12 | 12288 |
| 16 | 16384 |
| 20 | 20480 |
| 25 | 25600 |
| 32 | 32768 |
| 40 | 40960 |
| 50 | 51200 |
| 64 | 65536 |
| 100 | 102400 |
| 128 | 131072 |
| 200 | 204800 |
| 256 | 262144 |
| 500 | 512000 |
| 512 | 524288 |
| 1024 | 1048576 |
Frequently Asked Questions
How do I convert megabytes to kilobytes?
Multiply megabytes by 1024 in binary units. For example, 5 MB × 1024 = 5120 KB.
How many KB is 1 MB?
One megabyte is 1024 KB (binary) or 1000 KB (decimal).
How many KB is a 2 MB image?
2 MB equals 2048 KB.
Is 1 MB always 1024 KB?
Not always — storage and network speeds often use 1000, while file sizes in most operating systems use 1024. This converter uses 1024.