Convert Megabytes to Kilobytes
Convert Megabytes (MB) to Kilobytes (KB) instantly and accurately.
Conversion Formula
KB = MB × 1000
About Megabytes
A megabyte (MB) = 1,000,000 bytes (SI). Used by all storage manufacturers and by macOS (since 10.6), iOS, and Android. Typical file sizes: JPEG photo (50 MP) = 8-20 MB; 3-min MP3 at 128 kbit/s ≈ 2.9 MB; Android productivity APK 10-150 MB; full-frame RAW photo (Sony A7R V, 61 MP) 60-120 MB. H.264/H.265 achieves 30-100× compression vs. raw video. 1 MB = 1,000,000 bytes = 1,000 KB.
About Kilobytes
A kilobyte (KB) = 1,000 bytes (SI). Used by all storage manufacturers (HDD, SSD, USB, SD) and endorsed by the IEC and FTC. Typical sizes: plain-text email 2-5 KB; HTML page 10-100 KB; Word document 10-30 KB. Ethernet MTU = 1,500 bytes ≈ 1.5 KB; jumbo frames 9 KB. MP3 at 128 kbit/s = 16 KB/s of audio. 1 KB = 1,000 bytes = 8,000 bits.
Quick Reference Table
| Megabytes (MB) | Kilobytes (KB) |
|---|---|
| 1 MB | 1000 KB |
| 2 MB | 2000 KB |
| 5 MB | 5000 KB |
| 10 MB | 10000 KB |
| 25 MB | 25000 KB |
| 50 MB | 50000 KB |
| 100 MB | 100000 KB |