KB to MB Converter
Convert kilobytes (KB) to megabytes (MB) instantly using the standard 1 MB = 1024 KB.
Convert kilobytes to megabytes instantly with this free online tool. Type a value in kilobytes and see the equivalent in megabytes right away, or type a megabyte value to convert back. It uses the standard binary definition of 1 MB = 1024 KB, and everything runs in your browser — no sign-up and no waiting.
How to convert KB to MB
To convert kilobytes to megabytes, divide the number of kilobytes by 1024, because one megabyte equals 1024 kilobytes in the binary convention used by most operating systems. For example, 2048 KB ÷ 1024 = 2 MB. This converter does the math for you and updates as you type.
- Enter the number of kilobytes in the first field.
- Read the result in megabytes in the second field.
- Type into the MB field to convert in the other direction.
Is a megabyte 1024 or 1000 KB?
It depends on the convention. In the binary (IEC) convention used by Windows, Linux, and most software, 1 MB = 1024 KB (technically a mebibyte, MiB). In the decimal (SI) convention used by storage manufacturers and networking, 1 MB = 1000 KB. This tool uses 1024 KB per MB, which matches how file sizes are reported on most computers.
Why use this KB to MB converter?
- 100% free with no ads, sign-up, or limits.
- Instant, two-way conversion as you type.
- Uses the standard 1 MB = 1024 KB.
- Runs entirely in your browser.
Frequently asked questions
How many KB are in a megabyte?
In the binary convention used by most operating systems, 1 megabyte (MB) equals 1024 kilobytes. In the decimal convention used by some storage makers, 1 MB equals 1000 KB.
What is the formula to convert KB to MB?
Megabytes = kilobytes ÷ 1024. For example, 5120 KB ÷ 1024 = 5 MB.
How many MB is 2048 KB?
2048 KB equals exactly 2 MB when 1 MB is 1024 KB.