How to Convert Kilobytes to Megabytes (KB to MB)
Data conversions explain why a 1 TB drive shows less space on your computer and help compare mobile plans sold in gigabytes. This guide shows how to convert kilobytes into megabytes by hand, with examples and a quick-reference table.
The conversion
To convert kilobytes to megabytes, multiply the value by 0.001. To go the other way, divide by the same number (or multiply by 1,000). For a quick estimate, multiply by about 0.001.
Megabytes = kilobytes × 0.001
Worked examples
- 3 KB = 0.003 MB
- 12.5 KB = 0.0125 MB
- 75 KB = 0.075 MB
Kilobytes to Megabytes table
| Kilobytes | Megabytes |
|---|---|
| 1 KB | 0.001 MB |
| 2 KB | 0.002 MB |
| 5 KB | 0.005 MB |
| 10 KB | 0.01 MB |
| 20 KB | 0.02 MB |
| 25 KB | 0.025 MB |
| 50 KB | 0.05 MB |
| 100 KB | 0.1 MB |
| 250 KB | 0.25 MB |
| 500 KB | 0.5 MB |
| 1,000 KB | 1 MB |
Common questions
Is KB to MB exact?
The factors used here are the internationally defined values where they exist; results are rounded for display only.
How do I convert back?
Use the Megabytes to Kilobytes converter.
Mistakes to avoid
Dropping the units
A bare number without a unit is easy to misread later. Always write the unit with the result.
Forgetting squared and cubed units
Area and volume factors are the length factor squared or cubed, so 1 m² is about 10.76 sq ft, not 3.28.
Rounding the factor too early
Using 3 instead of 3.28 for feet per metre introduces an error of almost 9% before you have started.
Background
Writing the units next to every number while you work is the simplest way to avoid mistakes. If the units do not cancel to leave the one you want, the calculation is set up wrongly.
Unit conversion is simply multiplication by a fixed ratio. The ratio between two units of the same quantity never changes, so once you know it you can convert any value in either direction.
Singapore adopted the metric system in the 1970s, replacing imperial units and traditional Chinese measures in most official uses. Metric units are now standard in schools, trade and government, but older units survive in property, markets and imported goods.
For any value, use the Kilobytes to Megabytes Converter or browse all data storage converters.
Run your own numbers: Kilobytes to Megabytes Converter