Kilobytes to megabytes
1 kilobyte = 0.001 megabytes
Type a value in kilobytes (kB) to get megabytes (MB) straight away. A kilobyte is smaller than a megabyte, so the number goes down. Both units belong to data storage, measured here against the byte.
1 kB = 0.001 MB
Formula
MB = kB × 0.001
One kilobyte is 0.001 megabytes, so multiply by that factor. You can also divide by 1,000, the number of kilobytes in one megabyte. Here kB is the value in kilobytes and MB is the result in megabytes.
Worked example: 500 kilobytes × 0.001 = 0.5 megabytes.
Kilobytes to megabytes table
| kilobytes (kB) | megabytes (MB) |
|---|---|
| 1 kB | 0.001 MB |
| 2 kB | 0.002 MB |
| 3 kB | 0.003 MB |
| 4 kB | 0.004 MB |
| 5 kB | 0.005 MB |
| 6 kB | 0.006 MB |
| 7 kB | 0.007 MB |
| 8 kB | 0.008 MB |
| 9 kB | 0.009 MB |
| 10 kB | 0.01 MB |
| 15 kB | 0.015 MB |
| 20 kB | 0.02 MB |
| 25 kB | 0.025 MB |
| 30 kB | 0.03 MB |
| 40 kB | 0.04 MB |
| 50 kB | 0.05 MB |
| 60 kB | 0.06 MB |
| 75 kB | 0.075 MB |
| 100 kB | 0.1 MB |
Everyday kilobytes in megabytes
| What it is | kB | MB |
|---|---|---|
| a short text note | 1 kB | 0.001 MB |
| a small file | 4 kB | 0.004 MB |
| a compressed web image | 100 kB | 0.1 MB |
| a photo thumbnail set | 500 kB | 0.5 MB |
| a 1.44 MB floppy disk | 1,440 kB | 1.44 MB |
Quick estimate in your head
Divide by 10^3: move the decimal point 3 places left.
About the units
Kilobyte (kB). 1,000 bytes in the SI (decimal) system that drive makers and macOS use.
Megabyte (MB). 1,000,000 bytes (decimal). Windows shows MiB values but labels them MB.
Going the other way, 1 megabyte is 1,000 kilobytes.
Questions
How many megabytes are in 1 kilobyte?
1 kilobyte is 0.001 megabytes, and 1 megabyte is 1,000 kilobytes.
How do I convert kilobytes to megabytes?
Use MB = kB × 0.001. For example, 500 kilobytes × 0.001 = 0.5 megabytes.
Why does my drive show less space than advertised?
Makers use decimal units (1 GB = 10⁹ bytes) while many operating systems count in binary (1 GiB = 2³⁰ bytes). A 1 TB drive therefore shows about 931 GiB.
How much is a 1.44 MB floppy disk in megabytes?
1,440 kB is 1.44 MB.
Source for the conversion factor: NIST: prefixes for binary multiples (IEC 80000-13).
Related conversions
- megabytes to kilobytes
- megabytes to gigabytes
- gigabytes to megabytes
- megabytes to mebibytes
- mebibytes to megabytes
- bits to bytes