KB ↔ MB Converter
Convert between kilobytes and megabytes instantly
📚 KB ↔ MB Conversion Details
KB to MB Formula
To convert kilobytes to megabytes, divide the kilobytes by 1024.
MB to KB Formula
To convert megabytes to kilobytes, multiply the megabytes by 1024.
Bidirectional Conversion
This converter works both ways simultaneously:
- Type in KB → MB updates automatically
- Type in MB → KB updates automatically
- No buttons to click - works as you type
Common Uses
- File size conversion
- Digital storage calculation
- Memory card capacity
- Download size estimation
💾 How This Converter Works
This is a bidirectional converter that works in real-time:
- KB → MB: When you type in the KB field, the MB field automatically updates
- MB → KB: When you type in the MB field, the KB field automatically updates
- No swapping needed: Both conversions happen simultaneously
- Real-time: Updates happen as you type, no button clicks required
MB = KB ÷ 1024
KB = MB × 1024
// Example 1: Type "2048" in KB
MB = 2048 ÷ 1024 = 2
// Example 2: Type "2.5" in MB
KB = 2.5 × 1024 = 2560
📊 Conversion Table
| Kilobytes (KB) | Megabytes (MB) | Approximate Size |
|---|---|---|
| 1,024 KB | 1 MB | Small document |
| 5,120 KB | 5 MB | High-res photo |
| 10,240 KB | 10 MB | MP3 song |
| 51,200 KB | 50 MB | Short video |
| 102,400 KB | 100 MB | Long document |
| 1,048,576 KB | 1,024 MB (1 GB) | Movie trailer |
❓ Frequently Asked Questions
A: There are exactly 1,024 kilobytes in one megabyte.
A: 1 MB = 1,024 KB. Megabytes are larger units used for file sizes, while kilobytes are smaller units often used for documents.
A: In computing, it's 1,024 kilobytes per megabyte (binary system). In some contexts (like hard drives), it might be calculated as 1,000 (decimal system). This converter uses the standard computing binary system (1,024).
A: No! The conversion happens automatically as you type in either field.