conversions
Megabytes to Kilobytes
Last updated: May 31, 2026
Written by Blake Boege
A megabytes to kilobytes converter translates file sizes between MB and KB by multiplying by 1024. It is widely used by software developers, web designers, and database engineers to estimate network bandwidth and storage usage.
Convert megabytes to kilobytes instantly. Read the conversion answers, the mathematical formula, and browse the reference lookup table.
Quick Answer
Convert Megabytes to Kilobytes instantly. 1 MB is equal to exactly 1024 KB in binary standard.
Megabytes to Kilobytes
Bidirectional Megabytes to Kilobytes Converter
Compute exact conversions using standard parameters.
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Answer
1024 KB
1 MB = 1024 KB
Megabytes to Kilobytes Reference Table
| Megabytes (MB) | Kilobytes (KB) | Description |
|---|---|---|
| 1 MB | 1,024 KB | Exactly one Megabyte (binary) |
| 5 MB | 5,120 KB | Typical audio MP3 file |
| 10 MB | 10,240 KB | Small ebook PDF document |
| 50 MB | 51,200 KB | Complex slideshow presentation file |
| 100 MB | 102,400 KB | High-resolution video clip |
| 1,024 MB | 1,048,576 KB | Exactly one Gigabyte (binary) |
Examples
1 MB
1024 KB
How it works
To convert megabytes (MB) to kilobytes (KB), perform the following calculation: Note that this calculator utilizes the binary standard (base-2, where 1 KB = 1024 MB), which is standard in operating systems like Windows. Some contexts, such as hard drive manufacturers or network speeds, define metric prefixes using decimal values (base-10, where 1 KB = 1000 MB).
Formula
KB = MB × 1024
Method
Multiply megabytes by 1024 to get kilobytes.
Understanding Megabytes to Kilobytes Conversions
Converting measurements between metric and imperial scales, or relative speed, capacity, and computer data benchmarks, is essential in sciences, logistics, engineering, and daily travel. Using standard multipliers guarantees precision and alignment across different measurement systems. Note that this calculator utilizes the binary standard (base-2, where 1 KB = 1024 MB), which is standard in operating systems like Windows. Some contexts, such as hard drive manufacturers or network speeds, define metric prefixes using decimal values (base-10, where 1 KB = 1000 MB).
How to convert megabytes to kilobytes
To perform the conversion manually, use the formula KB = MB × 1024. For example, to convert 100 megabytes into kilobytes, multiply 100 by 1024, yielding 102400 KB.
How to convert kilobytes to megabytes
To reverse the conversion, use the formula MB = KB ÷ 1024. For instance, if you have 10 kilobytes, divide 10 by 1024 (or multiply by its reciprocal 0.00097656), which equals 0.00977 MB.
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Frequently asked questions
Multiply the MB value by 1024. For example, 5 MB = 5 × 1024 = 5120 KB.
In binary format, 1 MB is equal to 1024 KB. In decimal format, 1 MB equals exactly 1000 KB.
The formula is Kilobytes = Megabytes × 1024.
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